CmdPal: Replace Clipboard History extension outline icon with colorful icon (#41012)

## Summary of the Pull Request

Replace Clipboard History extension icon with an icon derived from
Fluent UI System Color set
(https://github.com/microsoft/fluentui-system-icons/). Icon is under MIT
license.

<img width="786" height="473" alt="image"
src="https://github.com/user-attachments/assets/6b9471d8-c98f-45c7-85e3-9521ce2a9717"
/>

## PR Checklist

- [x] Closes: #41018
- [x] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **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
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [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


## Detailed Description of the Pull Request / Additional comments


## Validation Steps Performed

I looked at the icon in the top-level list. Looks nice.
I looked at the icon in the settings page. Also looks nice.

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.ClipboardHistory/Icons.cs

@@ -14,5 +14,5 @@ internal sealed class Icons
 
     internal static IconInfo PasteIcon { get; } = new("\uE77F");
 
-    internal static IconInfo ClipboardListIcon { get; } = new("\uF0E3");
+    internal static IconInfo ClipboardListIcon { get; } = IconHelpers.FromRelativePath("Assets\\ClipboardHistory.svg");
 }

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.ClipboardHistory/Microsoft.CmdPal.Ext.ClipboardHistory.csproj

@@ -30,4 +30,13 @@
       <Generator>PublicResXFileCodeGenerator</Generator>
     </EmbeddedResource>
   </ItemGroup>
+
+  <ItemGroup>
+    <Content Update="Assets\ClipboardHistory.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Update="Assets\ClipboardHistory.svg">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
 </Project>