[4.4] Configuration warnings may change implementation

[TokisanGames]

Update

The PRs that broke configuration warnings were reverted.

A new design is in process for 4.4 at the earliest:
Proposal godotengine/godot-proposals#9098
PR godotengine/godot#90049

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Original

Configuration warnings changed from PackedStringArray to an Array that accepts a mix of Strings and Dictionaries { message: String, property?: String }.
If property is set, then show a clickable warning icon on property in the inspector.
Strings in this array are converted to an equivalent Dictionary with message filled.

godotengine/godot#68420

[m4gr3d]

Note that godotengine/godot#68420 causes the master build of the Android editor to crash when loading the Terrain3D sample.