Change Default Text For New Job Nodes

[elias-ba]

Validation Steps

1. Create a new job node
2. Open the inspector
3. Notice the job editor filled in (in comments) with the following text:

// Use pure JavaScript to add operations to your
// step. Click Docs to see list of operations or visit
// https://bit.ly/OFNJWG for our job writing guide
// and example job codes.

Notes for the reviewer

Related issue

Fixes #2014

Review checklist

• [x] I have performed a self-review of my code
• [x] I have verified that all appropriate authorization policies (:owner, :admin, :editor, :viewer) have been implemented and tested
• [x] If needed, I have updated the changelog
• [x] Product has QA'd this feature

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 89.59%. Comparing base (68c8c04) to head (db0ed10). Report is 1 commits behind head on main.

:exclamation: Current head db0ed10 differs from pull request most recent head 213010c

Please upload reports for the commit 213010c to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2146      +/-   ##
==========================================
- Coverage   89.60%   89.59%   -0.01%     
==========================================
  Files         269      268       -1     
  Lines        8947     8940       -7     
==========================================
- Hits         8017     8010       -7     
  Misses        930      930              

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