bug#55768: 26.3; isearch highlighting in dired

[Juri Linkov]

>> isearch fails to highlight in dired and displays the following error:
>> image.png
>
> [...]
>
>>   (while (and (< (point) end) (invisible-p (point)))
>> -  (if (invisible-p (get-text-property (point) 'invisible))
>> +  (if (member (get-text-property (point) 'invisible) 
>> buffer-invisibility-spec)
>
> Hm...  shouldn't this just be
>
>> -  (if (invisible-p (point))
>
> ?  The previous change was added by Juri; added to the CCs.

Actually, I just reverted to the previous version.
But the original change was 66e2e71d556785cd10270931c6fc0424b9dea6a6
from bug#8721.