Update for 00Meta, 389-ds, 389-ds.12301, 389-ds.... recommended moderate

Recommended update for gtk3

This update for gtk3 provides the following fixes:

- Set a transparent background for windows to prevent them to blink black when opened.

This update was imported from the SUSE:SLE-15:Update update project.

Fixed bugs
Leap 15.1 gtk3.22 causes some windows to blink black when opened. Fix available from upstream commit
Selected Binaries
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