[4.2] fix var name in content table

[heelc29]

Fix for Pull Request #37017 .

Summary of Changes

fix variable name: content table use state instead of published

Testing Instructions

• try to create two articles with the same alias
• the existing article is either published or trashed
• check the error messages

Actual result BEFORE applying this Pull Request

error message COM_CONTENT_ERROR_UNIQUE_ALIAS_TRASHED="A trashed Article in this category has the same alias." will not appear

Expected result AFTER applying this Pull Request

error message COM_CONTENT_ERROR_UNIQUE_ALIAS_TRASHED="A trashed Article in this category has the same alias." will appear

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

[alikon]

I have tested this item ✅ successfully on fa0c6e5

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[viocassel]

I have tested this item ✅ successfully on fa0c6e5

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/39138.}

[richard67]

RTC

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[fancyFranci]

Always nice to get feedback from the system. Thank you!