[5.2] Fix display of empty state view in clear cache

[Quy]

Pull Request for Issue #44247 .

Summary of Changes

PR #38671 did not account for search filter to be null when not using search, thus, won't display the empty state view when the cache folder is empty.

Testing Instructions

Go to System > Clear Cache.
See empty state view when the cache folder is empty.

[fontanil]

Hi,
Successfully tested on Joomla! 5.2.0
Thank you

[fgsw]

@fontanil Can you open https://issues.joomla.org/tracker/joomla-cms/44349 and

• click button "Test this"
• mark "Tested successfully"

The test will count as successfull.

[fontanil]

I have tested this item ✅ successfully on 0cb0e40

Successfully tested on5.2.0
Thanks!

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/44349.}

[uGE70]

I have tested this item ✅ successfully on 0cb0e40

Thanks a lot. My test site was using Gantry. It doesn't happen on Cassiopeia, because there's the _media_version folder.

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/44349.}

[Quy]

RTC

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/44349.}

[wilsonge]

Thanks!