[Suggestion] It would be better pop up a notification and output a log after deleting a database for graph/sql/mongo account

[v-xinda]

OS: All
Build Version: 20210525.1

Repro Steps:

1. Drill down a PostgreSQL server -> Right click a database (e.g. testdata) -> Click "Delete Database...".
2. Pop up a notification and output a log to prompt the database is deleted successfully.
   
3. Drill down a graph/sql/mongo account -> Right click a database -> Click "Delete Database...".
4. Check whether pop up a notification and output a log to prompt the database is deleted successfully.

Actual:
There is no any notification and log after deleting a database.

Suggestion:
It would be better pop up a notification and output a log after deleting a database for graph/sql/mongo account, like below.

More Info:
This issue also reproduces after deleting the collection/graph/document.