[pgAdmin][RM-6404]: Separate settings for query tool tab title and connection info

Hi Hackers,

Please find the attached patch for  RM-6404 : Separate settings for query tool tab title and connection info.

1. Query tool connection string will not get change as per "Query tool tab title".

2. It will use the default title format. (%DATABASE%/%USERNAME%@%SERVER%).

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Thanks & Regards,

Nikhil Mohite

Software Engineer.

EDB Postgres