Issue that this pull request solves

Closes: #928

Proposed changes

Brief description of what is fixed or changed

• Fixed the issue where tags were not being saved correctly in the backend.
• Updated the question.js model to ensure that the tags field is correctly defined as an array of strings.

Types of changes

Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update (Documentation content changed)
• Other (please describe):

Checklist

Put an x in the boxes that apply

• My code follows the style guidelines of this project
• 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
• My changes do not break the current system and it passes all the current test cases.

Screenshots

Please attach the screenshots of the changes made in case of change in user interface

No UI changes were made.

Other information

Any other information that is important to this pull request:

• Ensured that tags are now correctly handled and stored as an array of strings in the MongoDB database.
• Added logging for better debugging and tracking of tag data.
  -Please Review and Merge @Kajol-Kumari