Fix search in code editor#884

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cben wants to merge 3 commits intoelm:masterfrom

Commits on Jun 5, 2023

Editor: Vendor dialog.css from CodeMirror to fix CodeMirror's search
cben
committed
Editor: Configure CodeMirror search to keep search open, similar to browser
cben
committed
Editor: increase viewportMargin to 500 so browser's search works right
cben
committed