[PATCH v2 0/5] 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

(I put this is draft, as there is something else in `test_image_properties` that should possibly be cleaned up first)

--
  v2: gdiplus: Fix GdipGetAllPropertyItems return value when no properties exist.
      gdiplus: Fix GdipGetPropertySize return value when no properties exist.
      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