[LL FIR] fix lazy resolve of accessors generated by delegation

Before the change, such accessors would have implicit types event if the corresponding property had a resolved one

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

@@ -126,8 +126,11 @@ open class FirTypeResolveTransformer(
                 .transformAnnotations(this, data)
             if (property.isFromVararg == true) {
                 property.transformTypeToArrayType()
-                property.getter?.transformReturnTypeRef(StoreType, property.returnTypeRef)
-                property.setter?.valueParameters?.map { it.transformReturnTypeRef(StoreType, property.returnTypeRef) }
+                setAccessorTypesByPropertyType(property)
+            }
+
+            if (property.returnTypeRef is FirResolvedTypeRef && property.delegate != null) {
+                setAccessorTypesByPropertyType(property)
             }
 
             unboundCyclesInTypeParametersSupertypes(property)
@@ -136,6 +139,11 @@ open class FirTypeResolveTransformer(
         }
     }
 
+    private fun setAccessorTypesByPropertyType(property: FirProperty) {
+        property.getter?.transformReturnTypeRef(StoreType, property.returnTypeRef)
+        property.setter?.valueParameters?.map { it.transformReturnTypeRef(StoreType, property.returnTypeRef) }
+    }
+
     override fun transformField(field: FirField, data: Any?): FirField {
         return withScopeCleanup {
             field.transformReturnTypeRef(this, data).transformAnnotations(this, data)