Notification: NOP conflicting event handlers from our base class (#10471)

Notification is a toast, so it doesn't stop event popagation.
If we don't disable thoses handlers inside Notification, we get spurious
duplicate handlers being fired ;).

Fix #10461

frontend/ui/widget/container/inputcontainer.lua

@@ -323,9 +323,9 @@ function InputContainer:onIgnoreTouchInput(toggle)
     else
         -- Toggle the current state
         if InputContainer._onGesture then
-            self:onIgnoreTouchInput(false)
+            return self:onIgnoreTouchInput(false)
         else
-            self:onIgnoreTouchInput(true)
+            return self:onIgnoreTouchInput(true)
         end
     end
 

frontend/ui/widget/notification.lua

@@ -251,4 +251,13 @@ function Notification:onGesture(ev)
     return InputContainer.onGesture(self, ev)
 end
 
+-- Since toasts do *not* prevent event propagation, if we let this go through to InputContainer, shit happens...
+function Notification:onIgnoreTouchInput(toggle)
+    return true
+end
+-- Do the same for other Events caught by our base class
+Notification.onResume = Notification.onIgnoreTouchInput
+Notification.onPhysicalKeyboardDisconnected = Notification.onIgnoreTouchInput
+Notification.onInput = Notification.onIgnoreTouchInput
+
 return Notification