fixes#25620
This pull request includes a fix to the type key generation logic in the
compiler and updates to a test file to cover additional language
features. The most important changes are summarized below:
### Compiler logic fix
* In `compiler/typekeys.nim`, the `typeKey` procedure was updated to
iterate over all elements in `t.sonsImpl` starting from index 0 instead
of 1, ensuring that all type sons are considered during type key
generation.
### Test suite improvements
* The test file `tests/ic/tenum.nim` was renamed to
`tests/ic/tmiscs.nim`, and its output expectations were updated to
reflect the new test cases.
* Added new test cases to `tests/ic/tmiscs.nim` to cover sink and move
semantics, including the definition of a `BigObj` type and a `consume`
procedure that demonstrates moving and consuming large objects.
```nim
# Sink and move semantics
type
BigObj = object
data: seq[int]
proc consume(x: sink BigObj) =
echo x.data.len
var b = BigObj(data: @[1, 2, 3, 4, 5])
consume(move b)
```
gives
```
error: passing 'tySequence__qwqHTkRvwhrRyENtudHQ7g' (aka 'struct tySequence__qwqHTkRvwhrRyENtudHQ7g') to parameter of incompatible type 'tySequence__cTyVHeHOWk5jStsToosJ8Q' (aka 'struct tySequence__cTyVHeHOWk5jStsToosJ8Q')
84 | eqdestroy___sysma2dyk_u75((*dest_p0).data);
```
follows up https://github.com/nim-lang/Nim/pull/25614
