Fix build issues with slang

.gitmodules

lib/Vulkan-Headers

lib/Vulkan-Hpp

modules/gui/lib/imgui

modules/shader_compiler/CMakeLists.txt

modules/shader_compiler/config/LZ4.cmake

modules/shader_compiler/config/MINIZ.cmake

modules/shader_compiler/config/SLANG.cmake

modules/shader_compiler/config/SPIRV-Headers.cmake

modules/shader_compiler/config/Shady.cmake

modules/shader_compiler/config/UNORDERED_DENSE.cmake

modules/shader_compiler/config/slang/CMakeLists.txt

modules/shader_compiler/lib/glslang

modules/shader_compiler/lib/lz4

modules/shader_compiler/lib/miniz

modules/shader_compiler/lib/slang

modules/shader_compiler/lib/unordered_dense