[Settings] Fix inconsistent description text for the mouse tools (#43651)

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## Summary of the Pull Request
Change some of the mouse utilities' descriptions from declarative to
imperative, to match best practice and to be consistent with the other
descriptions.

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## PR Checklist

- [ ] Closes: #xxx
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- [ ] **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
- [ ] [JSON for
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## Detailed Description of the Pull Request / Additional comments

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## Validation Steps Performed
- Confirmed the changed descriptions were updated in Settings.

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

@@ -2827,7 +2827,7 @@ Right-click to remove the key combination, thereby deactivating the shortcut.</v
     <comment>Refers to the utility name</comment>
   </data>
   <data name="MouseUtils_FindMyMouse.Description" xml:space="preserve">
-    <value>Find My Mouse highlights the position of the cursor when pressing the Ctrl key twice, using a custom shortcut or when shaking the mouse.</value>
+    <value>Highlight the position of the cursor when pressing the Ctrl key twice, using a custom shortcut or when shaking the mouse.</value>
     <comment>"Ctrl" is a keyboard key. "Find My Mouse" is the name of the utility</comment>
   </data>
   <data name="MouseUtils_Enable_FindMyMouse.Header" xml:space="preserve">
@@ -2916,7 +2916,7 @@ Right-click to remove the key combination, thereby deactivating the shortcut.</v
     <comment>Refers to the utility name</comment>
   </data>
   <data name="MouseUtils_MouseHighlighter.Description" xml:space="preserve">
-    <value>Mouse Highlighter mode will highlight mouse clicks.</value>
+    <value>Highlight mouse clicks.</value>
     <comment>"Mouse Highlighter" is the name of the utility. Mouse is the hardware mouse.</comment>
   </data>
   <data name="MouseUtils_Enable_MouseHighlighter.Header" xml:space="preserve">
@@ -2961,7 +2961,7 @@ Right-click to remove the key combination, thereby deactivating the shortcut.</v
     <comment>Refers to the utility name</comment>
   </data>
   <data name="MouseUtils_MousePointerCrosshairs.Description" xml:space="preserve">
-    <value>Mouse Pointer Crosshairs draws crosshairs centered on the mouse pointer.</value>
+    <value>Draw crosshairs centered on the mouse pointer.</value>
     <comment>"Mouse Pointer Crosshairs" is the name of the utility. Mouse is the hardware mouse.</comment>
   </data>
   <data name="MouseUtils_Enable_MousePointerCrosshairs.Header" xml:space="preserve">