[stable10] Fix visual checkbox issue

[jvillafanez]

Description

Backport of #34167 to stable10

Related Issue

https://github.com/owncloud/enterprise/issues/3036

Motivation and Context

How Has This Been Tested?

1. Mark the checkbox. Reload the page. Make sure the checkbox is checked
2. Unmark the checkbox. Reload the page. Make sure the checkbox is unchecked
3. Mark the checkbox again. Reload the page. Make sure the checbox is checked

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Technical debt
• Tests

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation ticket raised:

Open tasks:

• Backport (if applicable set "backport-request" label and remove when the backport was done)

[codecov]

Codecov Report

Merging #34168 into stable10 will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             stable10   #34168   +/-   ##
===========================================
  Coverage       63.48%   63.48%           
  Complexity      19111    19111           
===========================================
  Files            1264     1264           
  Lines           75152    75152           
  Branches         1286     1286           
===========================================
  Hits            47711    47711           
  Misses          27065    27065           
  Partials          376      376

Flag	Coverage Δ	Complexity Δ
#javascript	53.32% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	64.57% <ø> (ø)	19111 <ø> (ø)	⬇️

Impacted Files	Coverage Δ	Complexity Δ
apps/files_external/templates/settings.php	32.96% <ø> (ø)	0 <0> (ø)	⬇️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #34168 into stable10 will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             stable10   #34168   +/-   ##
===========================================
  Coverage       63.48%   63.48%           
  Complexity      19111    19111           
===========================================
  Files            1264     1264           
  Lines           75152    75152           
  Branches         1286     1286           
===========================================
  Hits            47711    47711           
  Misses          27065    27065           
  Partials          376      376

Flag	Coverage Δ	Complexity Δ
#javascript	53.32% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	64.57% <ø> (ø)	19111 <ø> (ø)	⬇️

Impacted Files	Coverage Δ	Complexity Δ
apps/files_external/templates/settings.php	32.96% <ø> (ø)	0 <0> (ø)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f91d139...51b5578. Read the comment docs.

[PVince81]

👍