Changed import workflow

-Rearrange favorites in fs dock with drag and drop
-Removed import -> sub-scene, moved to scenetree contextual menu
-Removed import -> re-import , moved and integrated to FS dock
-Added ability in FS dock to re-import more than one resource
simultaneously
-Added ability to drag from native filesystem explorer to Godot, only
works on Windows though
-Removed scene reimport merge options, never worked well. Eventually
merging materials should be re-added
-Added ability to set custom root node type when importing scenes
-Re-Import is now automatic, can be configured back to manual in editor
settings
-Added resource previews in property list for many resource types

tools/editor/create_dialog.cpp

@@ -255,6 +255,15 @@ void CreateDialog::set_base_type(const String& p_base) {
 	_update_search();
 }
 
+String CreateDialog::get_selected_type() {
+
+	TreeItem *selected = search_options->get_selected();
+	if (selected)
+		return selected->get_text(0);
+	else
+		return String();
+}
+
 Object *CreateDialog::instance_selected() {
 
 	TreeItem *selected = search_options->get_selected();