allow input echo when changing ui focus

(cherry picked from commit f5b506763e5448dfbba8414139a83a2fc3765b60)

scene/main/viewport.cpp

@@ -2520,35 +2520,27 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
 		if (from && p_event->is_pressed()) {
 			Control *next = NULL;
 
-			Input *input = Input::get_singleton();
-
-			if (p_event->is_action_pressed("ui_focus_next") && input->is_action_just_pressed("ui_focus_next")) {
-
+			if (p_event->is_action_pressed("ui_focus_next", true)) {
 				next = from->find_next_valid_focus();
 			}
 
-			if (p_event->is_action_pressed("ui_focus_prev") && input->is_action_just_pressed("ui_focus_prev")) {
-
+			if (p_event->is_action_pressed("ui_focus_prev", true)) {
 				next = from->find_prev_valid_focus();
 			}
 
-			if (!mods && p_event->is_action_pressed("ui_up") && input->is_action_just_pressed("ui_up")) {
-
+			if (!mods && p_event->is_action_pressed("ui_up", true)) {
 				next = from->_get_focus_neighbour(MARGIN_TOP);
 			}
 
-			if (!mods && p_event->is_action_pressed("ui_left") && input->is_action_just_pressed("ui_left")) {
-
+			if (!mods && p_event->is_action_pressed("ui_left", true)) {
 				next = from->_get_focus_neighbour(MARGIN_LEFT);
 			}
 
-			if (!mods && p_event->is_action_pressed("ui_right") && input->is_action_just_pressed("ui_right")) {
-
+			if (!mods && p_event->is_action_pressed("ui_right", true)) {
 				next = from->_get_focus_neighbour(MARGIN_RIGHT);
 			}
 
-			if (!mods && p_event->is_action_pressed("ui_down") && input->is_action_just_pressed("ui_down")) {
-
+			if (!mods && p_event->is_action_pressed("ui_down", true)) {
 				next = from->_get_focus_neighbour(MARGIN_BOTTOM);
 			}