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/dialogs/UserInfoPopup.cpp

@@ -142,7 +142,6 @@ UserInfoPopup::UserInfoPopup(bool closeAutomatically, QWidget *parent,
     assert(split != nullptr &&
            "split being nullptr causes lots of bugs down the road");
     this->setWindowTitle("Usercard");
-    this->setStayInScreenRect(true);
 
     HotkeyController::HotkeyMap actions{
         {"delete",
@@ -715,9 +714,6 @@ void UserInfoPopup::setData(const QString &name,
     this->userStateChanged_.invoke();
 
     this->updateLatestMessages();
-    QTimer::singleShot(1, this, [this] {
-        this->setStayInScreenRect(true);
-    });
 }
 
 void UserInfoPopup::updateLatestMessages()