[ux] In graduated and categorized symbol lists, make sure we don't append when dropping an item between other items #60546
+11
−9
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This PR fixes an annoying and longstanding issue with drag and drop in Graduated and Categorized symbol lists.
Namely, when attempting to move an item and realizing it would end up in the last position (i.e., being appended).
BEFORE:
dragndrop_symbology_before.mp4
AFTER:
dragndrop_symbology_after.mp4
BONUS:
It also happens in Point Clouds --> Layer Styling --> Classification. This PR also fixes that one.
Fix #50823
Fix #55267
Fix #60559