[pgAdmin]: Patch for SonarQube fixes

Hi Team,

I have fixed a few sonarQube issues, PFA patch

Details as follows:

Schema diff:

• Refactor this function to reduce its Cognitive Complexity from 17 to the 15 allowed.
• Refactor this function to reduce its Cognitive Complexity from 44 to the 15 allowed.
• Refactor this function to reduce its Cognitive Complexity from 32 to the 15 allowed.

bg-process:

• Refactor this function to reduce its Cognitive Complexity from 46 to the 15 allowed.
• Refactor this function to reduce its Cognitive Complexity from 36 to the 15 allowed.

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Thanks & Regards,

Nikhil Mohite

Software Engineer.

EDB Postgres

Mob.No: +91-7798364578.