fix: contact not merging for same email

[tapiarafael]

Proposed changes (including videos or screenshots)

Fixes the problem where the info used to verify a contact was case sensitive, resulting in a contact not being merged for similar contacts with different string cases.
(e.g. johndoe@example.comwas not merged with JOHNDOE@EXAMPLE.COM)

Issue(s)

SCI-116

Steps to test or reproduce

Further comments

[dionisio-bot]

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• This PR is missing the required milestone or project

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[changeset-bot]

⚠️ No Changeset found

Latest commit: 49b0541

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[github-actions]

PR Preview Action v1.4.8
🚀 Deployed preview to https://RocketChat.github.io/Rocket.Chat/pr-preview/pr-33811/
on branch gh-pages at 2024-10-28 18:29 UTC

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 75.97%. Comparing base (5e98135) to head (49b0541).
Report is 332 commits behind head on feat/single-contact-id.

Additional details and impacted files

@@                     Coverage Diff                     @@
##           feat/single-contact-id   #33811       +/-   ##
===========================================================
+ Coverage                   58.43%   75.97%   +17.53%     
===========================================================
  Files                        2744      502     -2242     
  Lines                       66280    21667    -44613     
  Branches                    15001     5377     -9624     
===========================================================
- Hits                        38732    16461    -22271     
+ Misses                      24717     4561    -20156     
+ Partials                     2831      645     -2186     

Flag	Coverage Δ
e2e	?
e2e-api	?
unit	75.97% <0.00%> (+1.31%)	⬆️

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