WOC: Implement utm* params of a login UserAction stored in the DB feature #2212

[unclebean]

Description

This PR is for saving utm* params to DB for data analysis, relevant story is 2212.
Whenever user access gitcoin with "utm_medum, utm_source, utm_campaign" will store them in cookie, after user login or user logout will store to dashboard_useraction table.

Checklist

• linter status: 100% pass
• changes don't break existing behavior
• commit message follows commit guidelines

Affected core subsystem(s)

UserAction data model.

Testing

Test with below 3 scenarios.

Scenario: Record utm* in Cookie
Give: utm_medum, utm_source, utm_campaign in URL
When: User open gitcoin
Then: Should record utm* in Cookie

Scenario: Record utm* in DB
Give: utm* in Cookie
When: User click "LOG IN" button
Then: Should record utm* in DB

Scenario: Record utm* in DB
Give: utm* in Cookie
When: User click "Log Out" button
Then: Should record utm* in DB

Refers/Fixes

[codecov]

Codecov Report

Merging #2359 into master will decrease coverage by 0.79%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##           master    #2359     +/-   ##
=========================================
- Coverage   29.47%   28.68%   -0.8%     
=========================================
  Files         146      145      -1     
  Lines       11777    11760     -17     
  Branches     1599     1598      -1     
=========================================
- Hits         3471     3373     -98     
- Misses       8188     8266     +78     
- Partials      118      121      +3

Impacted Files	Coverage Δ
app/dashboard/utils.py	30.65% <100%> (-4.37%)	⬇️
app/dashboard/models.py	49.88% <100%> (-2.91%)	⬇️
app/dashboard/embed.py	8.04% <0%> (-23.57%)	⬇️
app/bounty_requests/views.py	32.43% <0%> (-6.28%)	⬇️
app/git/utils.py	42.17% <0%> (-0.54%)	⬇️
app/bounty_requests/models.py	95.23% <0%> (-0.22%)	⬇️
app/retail/emails.py	20.12% <0%> (ø)	⬆️
app/avatar/utils.py	18.28% <0%> (ø)	⬆️
... and 7 more

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[thelostone-mc]

code lgtm @unclebean ^_^
could you resolve the conflicts ?