fixed toggelling snap mode while transforming

(cherry picked from commit 05446e8b537f3cd053607824d32cbb651f72839c)

editor/plugins/spatial_editor_plugin.cpp

@@ -1021,7 +1021,7 @@ void SpatialEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 					}
 
 					_edit.mouse_pos = b->get_position();
-					_edit.snap = false;
+					_edit.snap = spatial_editor->is_snap_enabled();
 					_edit.mode = TRANSFORM_NONE;
 
 					//gizmo has priority over everything
@@ -1772,7 +1772,7 @@ void SpatialEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 
 		if (ED_IS_SHORTCUT("spatial_editor/snap", p_event)) {
 			if (_edit.mode != TRANSFORM_NONE) {
-				_edit.snap = true;
+				_edit.snap = !_edit.snap;
 			}
 		}
 		if (ED_IS_SHORTCUT("spatial_editor/bottom_view", p_event)) {