When filtering for values containing , the filter will match against [nbsp] instead.
Apparently we need to decode these special entities.
Ref: #910 (not the same issue but related)
@discordier maybe a known issue - and we check this at MM ^2.2
@discordier you can check this at our testcase e.g. with Do[nbsp]enbsp.html
Do[nbsp]enbsp => resultDo enbsp => no resultmaybe we should the same transfer from to [nbsp] as Contao in the Backend