refactor: change 'close' to 'save' on button in ManageJob modal [DET-10446]

[corban-beaird]

Ticket

DET-10446

Description

Modify text in the ManageJob confirmation to say 'save' instead of 'close' in order to clarify the effect of pressing that button.

Test Plan

• Ensure that the ManageJob modal shows 'Save' instead of 'Close'

Checklist

• Changes have been manually QA'd
• New features have been approved by the corresponding PM
• User-facing API changes have the "User-facing API Change" label
• Release notes have been added as a separate file under docs/release-notes/
  See Release Note for details.
• Licenses have been included for new code which was copied and/or modified from any external code

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[codecov]

Codecov Report

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

Project coverage is 49.79%. Comparing base (0df7ad3) to head (117ccc8).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9746      +/-   ##
==========================================
- Coverage   54.12%   49.79%   -4.33%     
==========================================
  Files        1257      934     -323     
  Lines      154768   125438   -29330     
  Branches     3479     3478       -1     
==========================================
- Hits        83762    62460   -21302     
+ Misses      70860    62832    -8028     
  Partials      146      146              

Flag	Coverage Δ
harness	?
web	53.39% <0.00%> (ø)

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Files	Coverage Δ
webui/react/src/pages/JobQueue/ManageJob.tsx	0.00% <0.00%> (ø)

... and 323 files with indirect coverage changes