Power Toys: v0.103.3062 Release

<!-- BEGIN POWERTOYS PREVIEW AGENT --> PowerToys 0.103.3062.0 is a development preview from main, containing 7 merged pull requests since v0.103.3052. This incremental prerelease focuses on Settings search handling, platform dependency updates, and build/test maintenance.

Installer Hashes

Highlights

• Settings: Search now ignores queries that normalize to empty or whitespace-only text, while preserving matching for regular queries.
• Platform: Updated Windows App SDK to 2.6.4, Win2D to 1.4.0, WebView2 to 1.0.4314.35, and related build/UI dependencies.

General

• Updated the Azure Pipelines, local, and shared-compilation MSBuildCache packages to 0.1.340-preview in #50222 by @dfederm.
• Integrated BugReportTool and StylesReportTool into the main build and consolidated application publishing for packaging into one parallel MSBuild invocation in #51657.
• Updated Windows App SDK to 2.6.4, Win2D to 1.4.0, WebView2 to 1.0.4314.35, and related BuildTools and Toolkit Labs packages, including Command Palette template and Keyboard Manager references in #51645.

Settings

• Updated Settings search to ignore queries that normalize to empty or whitespace-only text and made shared fuzzy matching return no match for whitespace-only input in #50531.

Development

• Added Awake end-to-end coverage for settings and tray controls, keep-awake and display modes, timers, CLI options, and process-bound operation in #51814.
• Reduced flaky Mouse Without Borders IPC tests by retrying test-pipe creation while a previous connection is still closing in #51782.
• Added onboarding UI tests for first-launch and version-change flows, module pages, reopening Welcome from Settings, and What's new navigation in #51815. <!-- END POWERTOYS PREVIEW AGENT -->