[Fix]:- Optimization HR Module & Code Clenaup

[Ayush8923]

Description

• The ApplicationController and the ApplicationService from which the Recruitment data is rendered, there was a little bit of the same code in both these files, but we used only the ApplicationController to fetch the data. In this, Code duplication was happening on this. We have moved all the changes in the ApplicationController to the ApplicationService file which will be totally used to fetch the data.
• Also, Made some code cleanups to optimize the HR recruitment page.

[cypress[bot]]

Passing run #7770 ↗︎

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Details:

Merge 9e7a6a5c3f1ded69e5b58a8f76ad00a1afd4a482 into 6192c3b011f5e1589e37fcbfe80c...
Project: Employee portal	Commit: 3f4a3117d6 ℹ️
Status: Passed	Duration: 00:47 💡
Started: Sep 13, 2023 7:09 PM	Ended: Sep 13, 2023 7:10 PM

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