[PATCH v5 0/6] MR3302: Draft: gdiplus: Fix GdipGetPropertySize and GdipGetAllPropertyItems return values when no properties exist.

[Jeffrey Smith (＠whydoubt)]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54748

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  v5: gdiplus: Fix GdipGetAllPropertyItems return value when no properties exist.
      gdiplus: Fix GdipGetPropertySize return value when no properties exist.
      gdiplus/tests: Pare down image property tests that are not run for Wine.
      gdiplus/tests: Use test context for test ran in a loop.
      gdiplus/tests: Add GIF to image properties tests.
      gdiplus/tests: Use consistent no-alternate value for image properties.

https://gitlab.winehq.org/wine/wine/-/merge_requests/3302