fix(studio): the header's buttons keep their size while the watch status is empty

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Author: sp00ktober

apps/studio/src/mhfu_studio/monster/panels/behaviour.py

@@ -542,7 +542,6 @@ def _status(self) -> None:
                 FIRE_TIP.format(triggers.title(t)) if why is None else f"Fire: {why}"
             )
         w = self.ws.watch
-        self.live.setVisible(w.on)
         self.live.setText(w.status)
         self.live.setToolTip(w.status)
         self.live.set_level(None if w.fires is not None else "warning")

apps/studio/tests/monster/ui/test_marks.py

@@ -116,7 +116,8 @@ def scope(qtbot: Any, p: BehaviourPanel, key: str) -> None:
 
 
 def test_nothing_is_marked_until_the_toggle_is_on(panel: BehaviourPanel, game: FakeGame) -> None:
-    assert not panel.watch.isChecked() and panel.live.isHidden() and not panel.ticker.isActive()
+    assert not panel.watch.isChecked() and panel.live.text() == ""
+    assert not panel.ticker.isActive()
     assert all("×" not in t for t in titles(panel))
     assert panel.outline.width() == triggers.WIDTH and game.calls == []
     assert panel.watch.toolTip() and kit.missing_tips(panel) == []
@@ -127,13 +128,13 @@ def test_the_toggle_starts_a_poll_once_a_second_while_the_tab_is_shown(
 ) -> None:
     QTest.mouseClick(panel.watch, LEFT, NONE)
     assert panel.ws.watch.on and panel.ticker.isActive() and panel.ticker.interval() == 1000
-    assert not panel.live.isHidden()
+    assert panel.live.text() == rg.READING
     panel.hide()
     assert not panel.ticker.isActive()
     panel.show()
     assert panel.ticker.isActive()
     QTest.mouseClick(panel.watch, LEFT, NONE)
-    assert not panel.ws.watch.on and not panel.ticker.isActive() and panel.live.isHidden()
+    assert not panel.ws.watch.on and not panel.ticker.isActive() and panel.live.text() == ""
 
 
 def test_a_tab_hidden_polls_nothing(