Add personal only filter for activity feed

[sounak98]

Description

Added the filter for getting only those activities which are related to the user.

Refers/Fixes

Fixes: #6012

Testing

N/A

[codecov]

Codecov Report

Merging #6054 into master will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #6054      +/-   ##
==========================================
- Coverage   28.96%   28.96%   -0.01%     
==========================================
  Files         272      272              
  Lines       24085    24111      +26     
  Branches     3518     3525       +7     
==========================================
+ Hits         6976     6983       +7     
- Misses      16828    16847      +19     
  Partials      281      281              

Impacted Files	Coverage Δ
app/dashboard/embed.py	31.60% <0.00%> (+3.44%)	⬆️

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[thelostone-mc]

yo @sounak98 tweaked up your PR and added a few more commits over at #6064

^ lemme know what you think and if it's good and the rest of the folks are in on it -> we'll get both our Prs in

Also neat job ^_^