Be sure DBTree.OnFocusChanged is called when doubleclicking a table in the Database tab or "Edit ..." menu item was explicitly clicked. Fixes issue #1225 with annoyance factor.

source/main.pas

@@ -5699,6 +5699,7 @@ begin
     DBtree.Expanded[dbnode] := True;
     DBtree.Selected[snode] := True;
     // Implicitely calls OnFocusChanged:
+    DBTree.FocusedNode := nil;
     DBTree.FocusedNode := snode;
     exit;
   end;