regression: add missing check for 'all' in app logs export

[MartinSchoeler]

Proposed changes (including videos or screenshots)

The checks for the 'All' option was missing on the Logs export Modal, causing the export to fail. This PR fixes that and adds a test for the specific issue

Issue(s)

ALT-26

Steps to test or reproduce

Further comments

[dionisio-bot]

Looks like this PR is ready to merge! 🎉
If you have any trouble, please check the PR guidelines

[changeset-bot]

⚠️ No Changeset found

Latest commit: 94338d5

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[github-actions]

PR Preview Action v1.6.2
🚀 View preview at https://RocketChat.github.io/Rocket.Chat/pr-preview/pr-36485/
Built to branch gh-pages at 2025-07-21 20:27 UTC. Preview will be ready when the GitHub Pages deployment is complete.

[codecov]

Codecov Report

Attention: Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.

Project coverage is 65.73%. Comparing base (dcb9207) to head (94338d5).
Report is 1 commits behind head on release-7.9.0.

Additional details and impacted files

@@                Coverage Diff                @@
##           release-7.9.0   #36485      +/-   ##
=================================================
+ Coverage          65.72%   65.73%   +0.01%     
=================================================
  Files               3174     3174              
  Lines             105831   105838       +7     
  Branches           20180    20108      -72     
=================================================
+ Hits               69553    69570      +17     
+ Misses             33600    33595       -5     
+ Partials            2678     2673       -5     

Flag	Coverage Δ
e2e	58.07% <16.66%> (-0.07%)	⬇️
unit	70.90% <72.72%> (+0.05%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[d-gubert]

Here goes my emotional support approval since I'm not a code owner 👍