Add EditorInspector getter. Update Sub-Inspectors.

(cherry picked from commit c1b247e4d5c0215a062df0550dd41641915d8569)

editor/editor_plugin.cpp

@@ -240,6 +240,10 @@ bool EditorInterface::is_plugin_enabled(const String &p_plugin) const {
 	return EditorNode::get_singleton()->is_addon_plugin_enabled(p_plugin);
 }
 
+EditorInspector *EditorInterface::get_inspector() const {
+	return EditorNode::get_singleton()->get_inspector();
+}
+
 Error EditorInterface::save_scene() {
 	if (!get_edited_scene_root())
 		return ERR_CANT_CREATE;
@@ -279,6 +283,8 @@ void EditorInterface::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_plugin_enabled", "plugin", "enabled"), &EditorInterface::set_plugin_enabled);
 	ClassDB::bind_method(D_METHOD("is_plugin_enabled", "plugin"), &EditorInterface::is_plugin_enabled);
 
+	ClassDB::bind_method(D_METHOD("get_inspector"), &EditorInterface::get_inspector);
+
 	ClassDB::bind_method(D_METHOD("save_scene"), &EditorInterface::save_scene);
 	ClassDB::bind_method(D_METHOD("save_scene_as", "path", "with_preview"), &EditorInterface::save_scene_as, DEFVAL(true));
 }

editor/editor_plugin.h

@@ -95,6 +95,8 @@ public:
 	void set_plugin_enabled(const String &p_plugin, bool p_enabled);
 	bool is_plugin_enabled(const String &p_plugin) const;
 
+	EditorInspector *get_inspector() const;
+
 	Error save_scene();
 	void save_scene_as(const String &p_scene, bool p_with_preview = true);
 

editor/editor_properties.cpp

@@ -2542,6 +2542,7 @@ void EditorPropertyResource::update_property() {
 				sub_inspector->edit(res.ptr());
 			}
 
+			sub_inspector->refresh();
 		} else {
 			if (sub_inspector) {
 				set_bottom_editor(NULL);