feat(core): missing-injectable migration should migrate empty object literal providers (#33709)

In View Engine, providers which neither used `useValue`, `useClass`,
`useFactory` or `useExisting`, were interpreted differently.

e.g.

```
{provide: X} -> {provide: X, useValue: undefined}, // this is how it works in View Engine
{provide: X} -> {provide: X, useClass: X}, // this is how it works in Ivy
```

The missing-injectable migration should migrate such providers to the
explicit `useValue` provider. This ensures that there is no unexpected
behavioral change when updating to v9.

PR Close #33709

packages/core/schematics/migrations/missing-injectable/index.ts

@@ -107,6 +107,10 @@ function runMissingInjectableMigration(
         treeRecorder.remove(namedBindings.getStart(), namedBindings.getWidth());
         treeRecorder.insertRight(namedBindings.getStart(), newNamedBindings);
       },
+      updateObjectLiteral(node: ts.ObjectLiteralExpression, newText: string) {
+        treeRecorder.remove(node.getStart(), node.getWidth());
+        treeRecorder.insertRight(node.getStart(), newText);
+      },
       commitUpdate() { tree.commitUpdate(treeRecorder); }
     };
     updateRecorders.set(sourceFile, recorder);