[SYCL][6.3] Cherry-pick free function kernel fixes #20236
Merged
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This is joined cherry-pick of #20187 and #20123
[SYCL] Allow free function kernel args be templated on integer expressions (#20187)
constexpr
variables are not forward-declarable so if one is used as atemplate parameter of a free function kernel argument, we cannot
reference the variable, but must inline the value into the integration
header.
[SYCL] Fix error with type aliases used as free function kernel args (#20123)
This PR fixes type name that is being printed as free function kernel
argument type in its forward-declaration in the integration header.
Before the change, we used the original argument type name, which could
be an alias - this patch makes use of the canonical type's name to make
sure that all type aliases are "unwrapped".