Fix menus and dropdowns requiring two clicks

Fixes some editor menus and option buttons requiring two clicks to open
by checking status.pressed_down_with_focus separately from other press
status flags. Makes all pressed statuses consistent on toggle buttons
with ACTION_MODE_BUTTON_PRESSED.

scene/gui/base_button.cpp

@@ -151,11 +151,13 @@ void BaseButton::_toggled(bool p_pressed) {
 void BaseButton::on_action_event(Ref<InputEvent> p_event) {
 	Ref<InputEventMouseButton> mouse_button = p_event;
 
-	if (!status.pressed_down_with_focus && p_event->is_pressed() && (mouse_button.is_null() || status.hovering)) {
+	if (p_event->is_pressed() && (mouse_button.is_null() || status.hovering)) {
 		status.press_attempt = true;
 		status.pressing_inside = true;
-		status.pressed_down_with_focus = true;
-		emit_signal(SNAME("button_down"));
+		if (!status.pressed_down_with_focus) {
+			status.pressed_down_with_focus = true;
+			emit_signal(SNAME("button_down"));
+		}
 	}
 
 	if (status.press_attempt && status.pressing_inside) {
@@ -181,11 +183,13 @@ void BaseButton::on_action_event(Ref<InputEvent> p_event) {
 		}
 	}
 
-	if (status.pressed_down_with_focus && !p_event->is_pressed()) {
+	if (!p_event->is_pressed()) {
 		status.press_attempt = false;
 		status.pressing_inside = false;
-		status.pressed_down_with_focus = false;
-		emit_signal(SNAME("button_up"));
+		if (status.pressed_down_with_focus) {
+			status.pressed_down_with_focus = false;
+			emit_signal(SNAME("button_up"));
+		}
 	}
 
 	queue_redraw();