remove alphanumbering from Reopen Recent Project action
(cherry picked from commit 0c2794b1c9531540bf5e775eb565d8e0ef71eab9)
don't block welcome screen showing if 'nosplash' command line argument is specified (IDEA-106794)
(cherry picked from commit 541844ef19296fec1d3e4aec9a8d02ab8d7c7e79)