0GreenClover0 259228d8d2 Spreadsheet: Set Help window mode to Modeless in the constructor ...

And don't try to do it every time the Help button is clicked.
This fixes a crash when clicking the Help button twice (setting window
mode on an already visible window is not supported).

This also fixes a situation where when opening the Help window with an
action, we didn't set its mode to "Modeless".

2023-08-05 02:14:51 +03:30

7.6 KiB

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