fix: mouse over tooltips flickering (#6451)

mostly an issue on wayland, but this behaviour isn't wrong elsewhere

CHANGELOG.md

@@ -5,6 +5,7 @@
 - Bugfix: Fixed crashes that could occur when Lua functions errored with values other than strings. (#6441)
 - Bugfix: Fixed zero-width global BTTV emotes not showing in the `:~` completions. (#6440)
 - Bugfix: Fixed an issue where the update button would be unclickable on macOS and Linux. (#6447)
+- Bugfix: Fixed flickering tooltips on Wayland when the mouse cursor is over them. (#6451)
 
 ## 2.5.4-beta.1
 

src/widgets/TooltipWidget.cpp

@@ -59,6 +59,7 @@ TooltipWidget::TooltipWidget(BaseWidget *parent)
 
     this->setStyleSheet("color: #fff; background: rgba(11, 11, 11, 0.8)");
     this->setAttribute(Qt::WA_TranslucentBackground);
+    this->setAttribute(Qt::WA_TransparentForMouseEvents);
     this->setWindowFlag(Qt::WindowStaysOnTopHint, true);
 
     // Default to using vertical layout