[pgAdmin4][Patch] - Issue fixes reported by SonarQube

[Khushboo Vashi]

Hi,

Please find the attached patch for some of the fixes reported by SonarQube
related to :

   - Properties of variables with "null" or "undefined" values should not
   be accessed
   - Variables should not be self-assigned
   - "in" should not be used with primitive types


Thanks,
Khushboo

sonarqube_fixes.patch
Description: Binary data