Merge topic 'execute_process-cmd-bat'

74c9d40876 execute_process: Fix invocation of .cmd/.bat with spaces
104ca10208 cmWorkerPool: Adopt MaybePrependCmdExe calls to reduce duplication
cf7ba6d43d cmWorkerPool: Convert RunCommand signature to move semantics
c091fd1420 cmUVProcessChain: Convert AddCommand signature to move semantics
c1f6b04176 cmSystemTools: Teach MaybePrependCmdExe to always use backslashes
817b3967f8 cmSystemTools: Teach MaybePrependCmdExe to return GetShortPathNameW failure
611a3000f7 cmSystemTools: Make MaybePrependCmdExe case-insensitive
98fed0f116 cmSystemTools: Adopt MaybePrependCmdExe

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !10270