test: set request_ip when testing reset_password

[sagarvora]

Fix required due to #21929

Alternate fixes:

• set a flag like frappe.flags.ignore_rate_limiter
• change rate limiter implementation to look for frappe.local.http_request instead

[codecov]

Codecov Report

Merging #21937 (498911b) into develop (7aed89a) will increase coverage by 0.00%.
Report is 3 commits behind head on develop.
The diff coverage is 100.00%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #21937   +/-   ##
========================================
  Coverage    61.87%   61.88%           
========================================
  Files          765      765           
  Lines        73000    73000           
  Branches      6292     6292           
========================================
+ Hits         45172    45173    +1     
+ Misses       24264    24263    -1     
  Partials      3564     3564           

Flag	Coverage Δ
server	65.25% <100.00%> (+0.03%)	⬆️

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