[4.1] Change scheduler filter search desc

[Quy]

Summary of Changes

Change language string for consistency.

Testing Instructions

Code review.

[brianteeman]

I have tested this item ✅ successfully on e80a630

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[rjharishabh]

I have tested this item ✅ successfully on e80a630

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/36637.}

[rjharishabh]

RTC

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[tecpromotion]

Please add "Language Change" Label again @richard67 or @Quy

[bembelimen]

Thx