feat: Implement blinking icon for "PST-M prüfen" alarm

- Added blinking icon functionality to "PST-M prüfen" alarm status for consistency with other alarm statuses.
- Refactored display logic to prioritize "PST-M prüfen" with icon blink effect in the interval.
- Ensured proper interval clearing for consistent display across alarm updates.

utils/loadWindowVariables.js

@@ -21,6 +21,7 @@ export async function loadWindowVariables() {
       "win_flutter",
       "win_kueOnline",
       "win_kueID",
+      "win_kuePSTmMinus96V",
       "win_kueAlarm1",
       "win_kueAlarm2",
       "win_kueIso",