#447 Expert Manager cannot handle duplicate expert names

[Thomas Mueller]

It is possible to disable an expert using the Expert Manager and then register an expert with the same name but a different DLL through other means (e.g. the Register-GExperts-[n].cmd script). That creates two entries for that name, one in
HKEY_CURRENT_USER\SOFTWARE\Embarcadero\BDS\[version]\Experts
and the other in
HKEY_CURRENT_USER\SOFTWARE\Embarcadero\BDS\[version]\GExperts-1.3\ExpertManager\DisabledExperts
The expert manager does not handle that case correctly. It displays the same entry (that is the same DLL file name) twice:

[Thomas Mueller]

fixed in revision #5172