feat:Exclude job applicants already linked to an employee or onboarding

[arathipk]

Feature description

-Exclude job applicants linked to employees or onboarding

Solution description

• Implemented a server-side function to fetch job applicants linked to employees or ongoing onboarding.
• Updated form script to exclude these applicants from the selection dropdown.
• Ensures that only unassigned job applicants can be chosen in Employee Onboarding.

Output screenshots (optional)

Is there any existing behavior change of other features due to this code change?

No.

Was this feature tested on the browsers?

• Mozilla Firefox