shader: share bounded record descriptors for packed loads and byte stores

Co-authored-by: fxpw <fxpw@outlook.com>

src/graphics/shader/recompiler/ir/ShaderIR.h

@@ -537,7 +537,7 @@ struct DescriptorSource {
 		uint32_t table_stride    = 0;
 		uint32_t table_record_bytes = 0;
 		bool     table_scalar = false;
-		bool     indexed_store = false;
+		bool     indexed = false;
 		bool     signed_count = false;
 		uint32_t workgroup_axis  = UINT32_MAX;
 		Value    key_count;