Windows App Runtime 1.5: all versions and old releases

This is a servicing release of the Windows App SDK that includes critical bug fixes for the 1.5 release.
- Fixed another potential issue where a menu off a CommandBar may incorrectly open up instead of down when the CommandBar is at the bottom of the window.
- Fixed a potential crash when running on older graphics hardware.

This is a servicing release of the Windows App SDK that includes critical bug fixes for the 1.5 release.
- Fixed a potential crash when the input queue on the thread appears to be in a bad state.
- Fixed some potential crashes when using {x:Bind} by checking every component for null. Apps wanting this fix need to recompile with this release.

This is a servicing release of the Windows App SDK that includes critical bug fixes for the 1.5 release.
- Added detection for a rare scenario where the app stops rendering and never recovers.
- Fixed a potential crash when a UI thread uninitializes.
- Fixed a potential issue where a menu off a CommandBar might have incorrectly opened up instead of down when the CommandBar was at the bottom of the window.

This servicing release repairs InputNonClientPointerSource handling so window caption buttons remain responsive, and prevents a potential crash when closing a window while using a touchpad.

This servicing release prevents image-loading and InputNonClientPointerSource crashes, and restores initial keyboard focus for windows that contain only WebView2.

This servicing release corrects resources.pri merging for library projects, WebView2 focus and blur behavior, window-opening drag cancellation, negative-viewbox SVG rendering, x:Bind weak-reference crashes, and titlebar edge cursor behavior.

This is a servicing release of the Windows App SDK that includes critical bug fixes for the 1.5 release.
- Fixed an issue where ItemsRepeater sometimes caused its window to be brought to the front.
- Fixed a potential crash when the transparency state of an AcrylicBrush was updated.
- Fixed an issue where ItemsRepeater would not generate enough items if it was in a ShouldConstrainToRootBounds="false" popup that was taller or wider than the main window.
- Fixed an issue where error MSB4086 could occur at build time if the project file didn't specify a TargetPlatformVersion. This error was hit as part of GitHub issue #9531.