[4.0] Hide up/down selector arrows for Hits readonly

[Quy]

Pull Request for Issue #30885 (partial fix).

Summary of Changes

Depending on the browser, the up/down arrows for number type may display when the field is readonly.
This is the case with Firefox and Safari on Mac as reported in the issue.

This PR fixes the Hits readonly field by changing its type attribute from number to text.

The ID readonly field will be done in a separate PR.

Testing Instructions

Go to the following to add/edit an item and go to the Publishing tab.

Content > Articles
Content > Categories
Components > Contacts
Components > News Feeds
Components > Tags

Make sure that add/edit can be saved successfully.

Actual result BEFORE applying this Pull Request

Expected result AFTER applying this Pull Request

[brianteeman]

I have tested this item ✅ successfully on 762faa9

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[dgrammatiko]

I have tested this item ✅ successfully on 762faa9

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/34486.}

[RickR2H]

I have tested this item ✅ successfully on 762faa9

Tested all the fields in the description.

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/34486.}

[Quy]

RTC

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[chmst]

Thanks!