fix(@angular/build): disable linker internal source mapping in OXC linker

The OXC linker handles source maps externally via MagicString and remapping. Disabling the linker's internal sourceMapping option prevents the LinkerEnvironment from attempting to read source files through the noopFileSystem.

Author: alan-agius4

packages/angular/build/src/tools/angular/linker/oxc-linker.ts

@@ -135,7 +135,7 @@ export function linkWithOxc(filename: string, code: string, options: OxcLinkerOp
     SHARED_LOGGER,
     SHARED_AST_HOST,
     astFactory,
-    { linkerJitMode: options.jit ?? false },
+    { linkerJitMode: options.jit ?? false, sourceMapping: false },
   );
 
   const fileLinker = new FileLinker(linkerEnvironment, filename as AbsoluteFsPath, code);