Revert "[FIR] Don't save original user type in FirResolvedTypeRef"

Also fix `FirGeneratedElementsValidator` so it doesn't check
   `FirResolvedTypeRef.delegatedTypeRef`

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/declarations/GeneratedDeclarationValidation.kt

@@ -53,6 +53,10 @@ object FirGeneratedElementsValidator : FirDefaultVisitorVoid() {
         typeRef.acceptChildren(this)
     }
 
+    override fun visitResolvedTypeRef(resolvedTypeRef: FirResolvedTypeRef) {
+        resolvedTypeRef.annotations.forEach { it.accept(this) }
+    }
+
     override fun visitDeclarationStatus(declarationStatus: FirDeclarationStatus) {
         require(declarationStatus is FirResolvedDeclarationStatus)
     }

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/FirSpecificTypeResolverTransformer.kt

@@ -47,9 +47,7 @@ class FirSpecificTypeResolverTransformer(
             source = typeRef.source
             type = resolvedType.takeIfAcceptable() ?: return typeRef.compose()
             annotations += typeRef.annotations
-            if (typeRef !is FirUserTypeRef) {
-                delegatedTypeRef = typeRef
-            }
+            delegatedTypeRef = typeRef
         }.compose()
     }