Fixed issues in 1912 LTSR CU4

Compared to: Session Recording 1912 LTSR CU3

Session Recording 1912 LTSR CU4 contains all fixes included in the 1912 LTSR initial release, CU1, CU2, CU3, plus the following, new fixes:

• Session Recording might fail to work. [CVADHELP-17559]

• Session Recording Player might fail to playback some session recordings on the VDA causing the SsRecPlayer.exe process to exit unexpectedly. [CVADHELP-17678]

• This fix makes the agent side independent of the MSMQ-HTTP-support during msi installation. [CVADHELP-18307]