Fix tooltip & popup positioning (#4740)

* Fix tooltip & popup positioning

This tries to ensure the tooltip & popups are created on the correct
monitor

* Add changelog entry

* Clean up debug output

* Use the full frame geometry to figure out screen bound movements

* Remove the now-unused `setStayInScreenRect` function

* Change the UserInfoPopup offset to be based on its width & height
instead

* Remove more debug output

src/widgets/TooltipWidget.cpp

@@ -27,8 +27,6 @@ TooltipWidget::TooltipWidget(BaseWidget *parent)
     this->setAttribute(Qt::WA_TranslucentBackground);
     this->setWindowFlag(Qt::WindowStaysOnTopHint, true);
 
-    this->setStayInScreenRect(true);
-
     // Default to using vertical layout
     this->initializeVLayout();
     this->setLayout(this->vLayout_);