FIX - filtered duplicate reactions in reactions viewer

[Vishal-Merugu]

Description

• Sometimes it is showing same name multiple times so now we filtered the array if it has duplicates.

Fixes #

• This fixes the FIX- Multiple equal reactions from user are displayed multiple times #1653

Type of change

• Bug fix (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)
• This change requires a documentation update

Checklist:

• 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

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[Vishal-Merugu]

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