Adds BgcodeThumbnailProvider and BgcodePreviewHandler (#38667)

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fix/what does it change/how was it tested (even manually, if necessary)?
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## Summary of the Pull Request

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## PR Checklist

- [X] **Closes:** #30352
- [X] **Communication:** I've discussed this with core contributors
already. If work hasn't been agreed, this work might be rejected
- [X] **Tests:** Added/updated and all pass
- [X] **Localization:** All end user facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [X] **New binaries:** Added on the required places
- [X] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [X] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

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or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments


![image](https://github.com/user-attachments/assets/62c0cbbb-fbca-4bb3-82fe-696ba40da83d)


![image](https://github.com/user-attachments/assets/3f2f1346-91fb-4f49-85b9-8cd6e19e68e9)

<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed

- Close PowerToys if installed in your machine
- Full build the solution: PowerToys.sln
- Start PowerToys from PowerToys\x64\Debug\PowerToys.exe or
PowerToys\x64\Release\PowerToys.exe
- Toggle the "Binary G-code thumbnail previewer" setting to enable
- Open HelperFiles folder on the tests and check if the icon changes to
an image
- Check explorer preview to see if image is also shown there

---------

Co-authored-by: leileizhang <leilzh@microsoft.com>

src/gpo/assets/PowerToys.admx

@@ -217,6 +217,16 @@
         <decimal value="0" />
       </disabledValue>
     </policy>
+    <policy name="ConfigureEnabledUtilityFileExplorerBgcodePreview" class="Both" displayName="$(string.ConfigureEnabledUtilityFileExplorerBgcodePreview)" explainText="$(string.ConfigureEnabledUtilityDescription)" key="Software\Policies\PowerToys" valueName="ConfigureEnabledUtilityFileExplorerBgcodePreview">
+      <parentCategory ref="PowerToys" />
+      <supportedOn ref="SUPPORTED_POWERTOYS_0_93_0" />
+      <enabledValue>
+        <decimal value="1" />
+      </enabledValue>
+      <disabledValue>
+        <decimal value="0" />
+      </disabledValue>
+    </policy>
     <policy name="ConfigureEnabledUtilityFileExplorerSVGThumbnails" class="Both" displayName="$(string.ConfigureEnabledUtilityFileExplorerSVGThumbnails)" explainText="$(string.ConfigureEnabledUtilityDescription)" key="Software\Policies\PowerToys" valueName="ConfigureEnabledUtilityFileExplorerSVGThumbnails">
       <parentCategory ref="PowerToys" />
       <supportedOn ref="SUPPORTED_POWERTOYS_0_64_0" />
@@ -247,6 +257,16 @@
         <decimal value="0" />
       </disabledValue>
     </policy>
+    <policy name="ConfigureEnabledUtilityFileExplorerBgcodeThumbnails" class="Both" displayName="$(string.ConfigureEnabledUtilityFileExplorerBgcodeThumbnails)" explainText="$(string.ConfigureEnabledUtilityDescription)" key="Software\Policies\PowerToys" valueName="ConfigureEnabledUtilityFileExplorerBgcodeThumbnails">
+      <parentCategory ref="PowerToys" />
+      <supportedOn ref="SUPPORTED_POWERTOYS_0_93_0" />
+      <enabledValue>
+        <decimal value="1" />
+      </enabledValue>
+      <disabledValue>
+        <decimal value="0" />
+      </disabledValue>
+    </policy>
     <policy name="ConfigureEnabledUtilityFileExplorerQOIPreview" class="Both" displayName="$(string.ConfigureEnabledUtilityFileExplorerQOIPreview)" explainText="$(string.ConfigureEnabledUtilityDescription)" key="Software\Policies\PowerToys" valueName="ConfigureEnabledUtilityFileExplorerQOIPreview">
       <parentCategory ref="PowerToys" />
       <supportedOn ref="SUPPORTED_POWERTOYS_0_76_0" />

src/gpo/assets/en-US/PowerToys.adml

@@ -253,9 +253,11 @@ If you don't configure this policy, the user will be able to control the setting
       <string id="ConfigureEnabledUtilityFileExplorerMonacoPreview">Source code file preview: Configure enabled state</string>
       <string id="ConfigureEnabledUtilityFileExplorerPDFPreview">PDF file preview: Configure enabled state</string>
       <string id="ConfigureEnabledUtilityFileExplorerGcodePreview">Gcode file preview: Configure enabled state</string>
+      <string id="ConfigureEnabledUtilityFileExplorerBgcodePreview">BGcode file preview: Configure enabled state</string>
       <string id="ConfigureEnabledUtilityFileExplorerSVGThumbnails">SVG file thumbnail: Configure enabled state</string>
       <string id="ConfigureEnabledUtilityFileExplorerPDFThumbnails">PDF file thumbnail: Configure enabled state</string>
       <string id="ConfigureEnabledUtilityFileExplorerGcodeThumbnails">Gcode file thumbnail: Configure enabled state</string>
+      <string id="ConfigureEnabledUtilityFileExplorerBgcodeThumbnails">BGcode file thumbnail: Configure enabled state</string>
       <string id="ConfigureEnabledUtilityFileExplorerSTLThumbnails">STL file thumbnail: Configure enabled state</string>
       <string id="ConfigureEnabledUtilityHostsFileEditor">Hosts file editor: Configure enabled state</string>
       <string id="ConfigureEnabledUtilityImageResizer">Image Resizer: Configure enabled state</string>