Fixed issues in 1912 LTSR CU4

The following issues have been fixed since Linux Virtual Delivery Agent 1912 LTSR CU3:

• On a Linux VDA connected using Citrix Workspace app for Mac or Linux, pressing Shift + Tab might be registered as a double press of the Shift key. [CVADHELP-16831]

• Attempting to launch Linux VDA sessions on RHEL might fail if Machine Creation Services are used to create Linux VMs in Azure. [CVADHELP-17244]

• Uninstalling Linux VDAs on SUSE or RHEL might not delete empty folders in the /opt/Citrix/ location. [CVADHELP-18241]