[4.1] Tasks - empty state

[brianteeman]

Updates the text as shown below

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After

[khu5h1]

I have tested this item ✅ successfully on 9317285

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[Quy]

I have tested this item ✅ successfully on 9317285

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/36203.}

[Quy]

RTC

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[bembelimen]

Thx

[brianteeman]

Thanks