fix: Fix standard view filter, UI bugs add My Replies card

[pratikb64]

• Added My Replies card in the agent home page, which will show the number of replies the agent has sent in the given duration
• Make padding/spacing of Home page consistent with Dashboard page
• Update SLA Alerts and Pending Tickets standard view filters and added a patch for apply the same

depends on: #2796

[codecov]

Codecov Report

❌ Patch coverage is 61.29032% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 57.26%. Comparing base (c780b3b) to head (fcf773d).
⚠️ Report is 36 commits behind head on develop.

Files with missing lines	Patch %	Lines
helpdesk/api/agent_home/agent_home.py	75.00%	6 Missing ⚠️
helpdesk/setup/default_views.py	14.28%	6 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3141      +/-   ##
===========================================
- Coverage    57.32%   57.26%   -0.07%     
===========================================
  Files          128      128              
  Lines         6140     6159      +19     
===========================================
+ Hits          3520     3527       +7     
- Misses        2620     2632      +12     

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