GPU: Continued refactoring and renaming

[davidrohr]

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[davidrohr]

@singiamtel : Could you check the whitespace check? Apparently it does not exclude 3rd party folders:

The following error is for file GPU/GPUTracking/display/3rdparty/GL/glcorearb.h, line 59, column 67:

[alibuild]

Error while checking build/O2/fullCI_slc9 for 3f3f793 at 2025-02-22 16:52:

## sw/BUILD/O2-latest/log
/sw/SOURCES/O2/13999-slc9_x86-64/0/GPU/GPUTracking/Base/cuda/GPUReconstructionCUDA.cu(554): error: identifier "GPUThreadContext" is undefined
/sw/slc9_x86-64/GCC-Toolchain/v13.2.0-alice1-3/include/c++/13.2.0/bits/unique_ptr.h(166): error: class "std::__and_<std::__not_<std::is_pointer<std::default_delete<<error-type>>>>, std::is_default_constructible<std::default_delete<<error-type>>>>" has no member "value"
/sw/slc9_x86-64/GCC-Toolchain/v13.2.0-alice1-3/include/c++/13.2.0/tuple(746): error: incomplete type "std::_Tuple_impl<0UL, std::__uniq_ptr_impl<<error-type>, std::default_delete<<error-type>>>::pointer, std::default_delete<<error-type>>>" (aka "std::_Tuple_impl<0UL, <error-type> *, std::default_delete<<error-type>>>") is not allowed
/sw/slc9_x86-64/GCC-Toolchain/v13.2.0-alice1-3/include/c++/13.2.0/tuple(1094): error: no instance of function template "std::tuple<_Elements...>::__assignable [with _Elements=<<error-type> *, std::default_delete<<error-type>>>]" matches the argument list
/sw/slc9_x86-64/GCC-Toolchain/v13.2.0-alice1-3/include/c++/13.2.0/tuple(1105): error: no instance of function template "std::tuple<_Elements...>::__assignable [with _Elements=<<error-type> *, std::default_delete<<error-type>>>]" matches the argument list
/sw/SOURCES/O2/13999-slc9_x86-64/0/GPU/GPUTracking/Base/cuda/GPUReconstructionCUDA.cu(554): error: expected a type specifier
/sw/SOURCES/O2/13999-slc9_x86-64/0/GPU/GPUTracking/Base/cuda/GPUReconstructionCUDA.cu(554): error: no instance of constructor "std::unique_ptr<_Tp, _Dp>::unique_ptr [with _Tp=<error-type>, _Dp=std::default_delete<<error-type>>]" matches the argument list
ninja: build stopped: subcommand failed.

Full log here.

[davidrohr]

@singiamtel : Could you check what is up with the CI for this PR? SInce yesterday evening not a single builder produced a result. Look suspicious.