chore: Replace some cursor.count calls with countDocuments or estimatedDocumentCount

[KevLehman]

Proposed changes (including videos or screenshots)

Issue(s)

https://rocketchat.atlassian.net/browse/CORE-747

Steps to test or reproduce

Further comments

Replaces deprecated cursor.count calls with updated countDocuments or estimatedDocumentCount, for full table counts.

[dionisio-bot]

Looks like this PR is not ready to merge, because of the following issues:

• This PR is targeting the wrong base branch. It should target 7.1.0, but it targets 7.0.0

Please fix the issues and try again

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[changeset-bot]

⚠️ No Changeset found

Latest commit: f68ffdf

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[github-actions]

PR Preview Action v1.4.8
🚀 Deployed preview to https://RocketChat.github.io/Rocket.Chat/pr-preview/pr-33671/
on branch gh-pages at 2024-10-21 16:12 UTC

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 74.97%. Comparing base (5fddfcc) to head (f68ffdf).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #33671      +/-   ##
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- Coverage    74.97%   74.97%   -0.01%     
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  Files          480      480              
  Lines        21019    21021       +2     
  Branches      5334     5335       +1     
===========================================
  Hits         15760    15760              
- Misses        4630     4632       +2     
  Partials       629      629              

Flag	Coverage Δ
unit	74.97% <0.00%> (-0.01%)	⬇️

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[sampaiodiego]

so sad this could not land on release candidate