Fix signature help text cutoff #14969
Open
+20
−16
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PR #13566 introduced issues with signature help resulting in text cutoff, which this PR is intended to fix.
Before:




After:




Update:
I also removed the extra whitespace between borders and text in popups.
Having these margins makes sense with borderless popups, since this space is used to separate the popup text from the background text, but having them in bordered popups makes no sense.
Before:


After:

