kvui: Fix hint tab formatting regression (#4778)

Co-authored-by: Fabian Dill <[email protected]>

kvui.py

@@ -817,6 +817,12 @@ class HintLayout(BoxLayout):
         boxlayout.add_widget(AutocompleteHintInput())
         self.add_widget(boxlayout)
 
+    def fix_heights(self):
+        for child in self.children:
+            fix_func = getattr(child, "fix_heights", None)
+            if fix_func:
+                fix_func()
+
         
 status_names: typing.Dict[HintStatus, str] = {
     HintStatus.HINT_FOUND: "Found",