Fix for KT-12891: Allow to omit type in local delegated property declaration

#KT-12891 Fixed

compiler/testData/codegen/script/localDelegatedPropertyNoExplicitType.kts

@@ -0,0 +1,14 @@
+import kotlin.reflect.KProperty
+
+class Delegate {
+    operator fun getValue(t: Any?, p: KProperty<*>): Int = 3
+}
+
+fun foo(): Int {
+    val prop by Delegate()
+    return prop
+}
+
+val x = foo()
+
+// expected: x: 3