### **Description**
- The PR removes the empty password validation check for PostgreSQL
while creating a new data source.
- The JUnit test case is added for the same. Implemented using a
separate PostgreSQL container with Trust Authentication enabled for the
Same.
- Please note for testing from UI perspective we have to create a user
with Trust auth enabled to validate the above changes.
Fixes #14003
### **Type of Change**
- Bug Fix(non-breaking change which adds functionality)
### **How Has This Been Tested?**
- Manual
- JUnit TC added
### **Checklist**:
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] PR is being merged under a feature flag
### **QA activity:**
- [ ] Test plan has been approved by relevant developers
- [ ] Test plan has been peer reviewed by QA
- [ ] Cypress test cases have been added and approved by either SDET or
manual QA
- [ ] Organized project review call with relevant stakeholders after
Round 1/2 of QA
- [ ] Added Test Plan Approved label after reveiwing all Cypress test
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