Provide better error messages for read-only delegate

Split error reporting into two parts for incorrect and missing candidates.
Missing function error is not reported on provideDelegate.
Update error factory and default message for error.
Update error texts in quick fix test data.

#KT-16526 Fixed

idea/testData/quickfix/autoImports/delegateNoOperator.test

@@ -1,6 +1,6 @@
 // FILE: first.before.kt
 // "class org.jetbrains.kotlin.idea.quickfix.ImportFix" "false"
-// ERROR: Missing 'getValue(Nothing?, KProperty<*>)' method on delegate of type 'String'
+// ERROR: Type 'String' has no method 'getValue(Nothing?, KProperty<*>)' and thus it cannot serve as a delegate
 // ACTION: To raw string literal
 
 package b