Fixed issues in 1912 LTSR CU3

After upgrading a 64-bit Linux VDA, user attempts to start applications can fail. Users see a message indicating that the application is starting, then the message disappears. As a result, multiple stale sessions remain on the VDA.

After performing scans, the ctxmonitorservice process might exit unexpectedly with a SIGABRT error.

Attempts to select the Picture Transfer Protocol (PTP) and Media Transfer Protocol (MTP) USB options, might fail on a Xiaomi Mi 10 phone.

When the Citrix Desktop Viewer (CDViewer.exe) window disappears, attempts to reconnect to the Linux VDA might fail.

In Linux VDAs, some applications might not recognize a webcam device that appears in the Device option.

When using USB redirection for a webcam in a Linux VDA session, the ctxusbsd process might exit unexpectedly with a segfault error.

The ctxcdmd process might not run in the correct SELinux security context.

A smart card might fail to work when it is configured to a Linux VDA.

The text appearing in a Linux VDA session might be distorted and blurry.