Fix issues with text clearing in RichTextLabel
#89100
Merged
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This PR fixes a couple of bugs and adds some needed doc annotations to
RichTextLabel
.text = ""
(my bad). Closes 4.3: RichTextLabel.text = "" no longer clears contents and RichTextLabel.clear() no longer has an effect outside of scene tree #89091.text = ""
not clearing the tag stack iftext
is already empty.