[4.4] text not visible (error_login)

[brianteeman]

Pull Request for Issue #42600 .

Summary of Changes

add class text-dark to the h1 to force it to be visible

Testing Instructions

do not log in to the backend
visit https://example.tl/administrator/index.php?option=com_admin&view=sysinfo&format=text

Actual result BEFORE applying this Pull Request

Expected result AFTER applying this Pull Request

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed

[Quy]

It will be a regression with v5 in dark mode.

[brianteeman]

The PR is for j4 ;)

[dautrich]

I have successfully tested this PR on J4.4 Stable.
Should I use the issue tracker to document my successful test?

[fgsw]

I have tested this item ✅ successfully on 87dfabe

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[dautrich]

I have tested this item ✅ successfully on 87dfabe

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[alikon]

RTC

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