Fix and improve string formatting

modules/asset_loader/src/vkcv/asset/asset_loader.cpp

modules/gui/src/vkcv/gui/GUI.cpp

modules/scene/src/vkcv/scene/Scene.cpp

modules/shader_compiler/src/vkcv/shader/Compiler.cpp

modules/shader_compiler/src/vkcv/shader/GLSLCompiler.cpp

modules/shader_compiler/src/vkcv/shader/HLSLCompiler.cpp

modules/shader_compiler/src/vkcv/shader/SlangCompiler.cpp

src/vkcv/Core.cpp

src/vkcv/DescriptorSetManager.cpp

src/vkcv/FeatureManager.cpp

src/vkcv/File.cpp

src/vkcv/SwapchainManager.cpp

src/vkcv/TypeGuard.cpp