Hotfixes to add new probers, address Sentry reporting issues, and other issues

[bjester]

Summary

Description of the change(s) you made

• Add prober to alert when the quantity of queued tasks reaches a threshold #3827, Add prober to alert when there are unapplied changes and task workers have 0 tasks #3828: Adds new probers to alert when task queue is larger than 50 items or when there are 0 active tasks but unapplied changes exist
• 'Publishing channel %' value gets reset after opening a modal window #3795: Retain TASK_ID and COPYING_FLAG when fetching data from server to maintain tracking of publishing and copying tasks
• Network Error without a status code #3856, 'Request aborted' error sent to Sentry #3857: Update axios to fix issue with missing status code for ERR_NETWORK errors, silence aborted connection errors, prevent csrf token from being uploaded in attachment, and track client's offline status in Sentry report
• AttributeError: 'NoneType' object has no attribute 'tree_id' #3845: Adds defensive handling to channel activation to prevent error reports for double submits
• TypeError: Cannot read properties of undefined (reading 'then') #3860: Fix issue when obtaining file upload url encounters network error causing access to non-existent promise, and likely related issue accessing file.duration when the upload failed

Manual verification steps performed

1. Perform various operations on a channel
2. Upload a file to a channel
3. Start publishing and open the channel info modal briefly to see if publish % resets
4. Ran probers manually

---

Contributor's Checklist

PR process:

• If this is an important user-facing change, PR or related issue the CHANGELOG label been added to this PR. Note: items with this label will be added to the CHANGELOG at a later time
• If this includes an internal dependency change, a link to the diff is provided
• The docs label has been added if this introduces a change that needs to be updated in the user docs?
• If any Python requirements have changed, the updated requirements.txt files also included in this PR
• Opportunities for using Google Analytics here are noted
• Migrations are safe for a large db

Studio-specifc:

• All user-facing strings are translated properly
• The notranslate class been added to elements that shouldn't be translated by Google Chrome's automatic translation feature (e.g. icons, user-generated text)
• All UI components are LTR and RTL compliant
• Views are organized into pages, components, and layouts directories as described in the docs
• Users' storage used is recalculated properly on any changes to main tree files
• If there new ways this uses user data that needs to be factored into our Privacy Policy, it has been noted.

Testing:

• Code is clean and well-commented
• Contributor has fully tested the PR manually
• If there are any front-end changes, before/after screenshots are included
• Critical user journeys are covered by Gherkin stories
• Any new interactions have been added to the QA Sheet
• Critical and brittle code paths are covered by unit tests

---

Reviewer's Checklist

This section is for reviewers to fill out.

• Automated test coverage is satisfactory
• PR is fully functional
• PR has been tested for accessibility regressions
• External dependency files were updated if necessary (yarn and pip)
• Documentation is updated
• Contributor is in AUTHORS.md

[rtibbles]

Nothing jumps out at code read through - will require a little bit of testing.

[rtibbles]

Manual testing reveals no issues.