Fix blacked out tooltip on qt unlock/lock icon.
Fix blacked out tooltip on qt unlock/lock icon.

particl/particl-core,tecnovert/particl-core,particl/particl-core,particl/particl-core,tecnovert/particl-core,tecnovert/particl-core,tecnovert/particl-core,particl/particl-core,particl/particl-core,particl/particl-core,tecnovert/particl-core,tecnovert/particl-core