Do not trigger record message if the current record did not changed

#11970

sao/src/screen.js

@@ -1280,6 +1280,9 @@
             return this.__current_record;
         },
         set current_record(record) {
+            if (this.__current_record === record) {
+                return;
+            }
             this.__current_record = record;
             var pos = null;
             var record_id = null;

tryton/tryton/gui/window/view_form/screen/screen.py

@@ -70,8 +70,8 @@ class Screen:
             lambda: collections.defaultdict(lambda: None))
         self.tree_states_done = set()
         self.__group = None
-        self.new_group(context or {})
         self.__current_record = None
+        self.new_group(context or {})
         self.current_record = None
         self.screen_container = ScreenContainer(attributes.get('tab_domain'))
         self.screen_container.alternate_view = attributes.get(
@@ -486,6 +486,8 @@ class Screen:
         return self.__current_record
 
     def __set_current_record(self, record):
+        if self.__current_record == record:
+            return
         self.__current_record = record
         if record:
             try:
@@ -501,7 +503,6 @@ class Screen:
         self.update_resources(record.resources if record else None)
         # update resources after 1 second
         GLib.timeout_add(1000, self._update_resources, record)
-        return True
 
     current_record = property(__get_current_record, __set_current_record)