Add option to search for email

[samuelwei]

Fixes #

Type (Highlight the corresponding type)

• Bugfix
• Feature
• Documentation
• Refactoring (e.g. Style updates, Test implementation, etc.)
• Other (please describe):

Checklist

• Code updated to current develop branch head
• Passes CI checks
• Is a part of an issue
• Tests added for the bugfix or newly implemented feature, describe below why if not
• Changelog is updated
• Documentation of code and features exists

Changes

• Add email to list of attributes the search for users should be performed on

Other information

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.84%. Comparing base (2210d37) to head (5a50f16).
Report is 8 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff             @@
##             develop    #1120   +/-   ##
==========================================
  Coverage      95.84%   95.84%           
- Complexity      1294     1295    +1     
==========================================
  Files            198      198           
  Lines           4425     4427    +2     
==========================================
+ Hits            4241     4243    +2     
  Misses           184      184           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.