Fix crash if previous condition / action was invalid

src/macro-external/twitch/macro-action-twitch.cpp

@@ -610,6 +610,7 @@ void MacroActionTwitchEdit::ActionChanged(int idx)
 	}
 
 	if (idx == -1) { // Reset to previous selection
+		const QSignalBlocker b(_actions);
 		_actions->setCurrentIndex(_actions->findData(
 			static_cast<int>(_entryData->_action)));
 		return;

src/macro-external/twitch/macro-condition-twitch.cpp

@@ -773,6 +773,7 @@ void MacroConditionTwitchEdit::ConditionChanged(int idx)
 	}
 
 	if (idx == -1) { // Reset to previous selection
+		const QSignalBlocker b(_conditions);
 		_conditions->setCurrentIndex(_conditions->findData(
 			static_cast<int>(_entryData->GetCondition())));
 		return;