M0102 ISP breaks non-ISP prediction

[bheng]

In IntraPrediction.cpp, with the ISP changes, there are about 5 instances of

"condition ? consequence : alternative"

statements where both true/false outcomes appear to be the same. Such as:

predMode = useISP ?
getWideAngle( cuSize.width, cuSize.height, dirMode ) :
getWideAngle( cuSize.width, cuSize.height, dirMode );

And these changes will cause issues when the CU size is split because of maximum transform size splitting. For example cuSize.width = 128.

[fbossen]

Fixed in ​https://vcgit.hhi.fraunhofer.de/jvet/VVCSoftware_VTM/merge_requests/251