[Advanced Paste] Rephrase module description in settings (#37563)

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## Summary of the Pull Request
Rephrased the module description for Advanced Paste in settings to
simplify, and fix styling issues.

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## PR Checklist

- [ ] **Closes:** #xxx
- [ ] **Communication:** I've discussed this with core contributors
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- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end user facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
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## Detailed Description of the Pull Request / Additional comments
Rephrased the Advanced Paste module description shown in settings to
simplify, and fix styling issues.

**Existing**:

![image](https://github.com/user-attachments/assets/dabf6e78-fd22-45d3-8e12-d894c63feaef)

**Updated**:

![image](https://github.com/user-attachments/assets/c9ff0a11-0998-4604-8ed7-30ca3f95cd77)

This fixes issues including incorrect capitalisation on "markdown" and
"json", and also shortens the description to make it quicker to read, by
removing unnecessary detail.

src/settings-ui/Settings.UI/Strings/en-us/Resources.resw

@@ -3836,7 +3836,7 @@ Activate by holding the key for the character you want to add an accent to, then
     <comment>Product name: Navigation view item name for Advanced Paste</comment>
   </data>
   <data name="AdvancedPaste.ModuleDescription" xml:space="preserve">
-    <value>Advanced Paste is a tool to put your clipboard content into any format you need. It can paste as plain text, markdown, or json directly with the UX or with a direct keystroke invoke. These are fully locally executed. In addition, it has an AI powered option that is 100% opt-in and requires an Open AI key.</value>
+    <value>A tool to quickly format clipboard content into plain text, Markdown, JSON, and more. An AI-powered option requiring an OpenAI API key is available for advanced formatting.</value>
   </data>
   <data name="AdvancedPaste.ModuleTitle" xml:space="preserve">
     <value>Advanced Paste</value>