[PostgreSQL]This link cannot be added to slashbase when the database connection name is the same as before

[aaro-n]

Problem reproduction:

Use slashbase to create a new PostgreSQL link, Display Name: enter the link name, then delete the PostgreSQL link, and then use the same Display Name: name to create a PostgreSQL link. At this time, the link test can pass, but click ADD, Prompt there was some problem

Quick description

If the Display Name item is the same as before (the corresponding PostgreSQL item has been deleted), it cannot be added.

Other

When slashbase deletes a project or database, the corresponding project or database information still remains in the database.

system message:

slashbase：docker ，v0.10.1 PostgreSQL：docker，15.1