[5.4] mod_articles conditional readmore

[brianteeman]

Pull Request resolves #47260.

• I read the Generative AI policy and my contribution is either not created with the help of AI or is compatible with the policy and GNU/GPL 2 or later.

Summary of Changes

Only show the readmore if there is something more to read

Testing Instructions

Create two articles. One with a readmore and one without a readmore
Create a module-articles to display these articles AND make sure you set to display introtext and readmore

Actual result BEFORE applying this Pull Request

Read more link is always displayed

Expected result AFTER applying this Pull Request

Read more link is only displayed if there is something to read more

Note

The issue is for 6.0 but as this module is intended to replace the existing content modules this is unexpected behaviour and I woujld call this a bug - hence I made the pr against 5.4

Link to documentations

Please select:

• Documentation link for guide.joomla.org:

• No documentation changes for guide.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed

[richard67]

Create two articles. One with a readmore and one with a readmore

@brianteeman Sure 2 times the same?

[brianteeman]

@richard67 oops typo - i have updated the instructions

[dautrich]

I have tested this item ✅ successfully on 3b88644

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[LadySolveig]

I have tested this item ✅ successfully on 3b88644

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/47263.}

[tecpromotion]

RTC

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[muhme]

✅ Final test before merge using JBT

• Seen problem before PR
• Applied PR with Patch Tester
  • Articles without ‘Read more’ no longer display the ‘Read more’ button.
  • Articles with ‘Read more’ continue to display the ‘Read more’ button, which also works.

[muhme]

Thank you @brianteeman for your contribution. Thanky you @richard67 for supporting this PR. Thank you @dautrich and @LadySolveig for testing.