[FIR] Consider ConeConstraintSystemHasContradiction as a good reason for DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE error

compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/noOperatorModifierOnProvideDelegate.fir.kt

@@ -1,16 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER
-
-import kotlin.reflect.KProperty
-
-class StringDelegate(val s: String) {
-    operator fun getValue(a: Any?, p: KProperty<*>): Int = 42
-}
-
-// NB no operator
-fun String.provideDelegate(a: Any?, p: KProperty<*>) = StringDelegate(this)
-
-operator fun String.getValue(a: Any?, p: KProperty<*>) = this
-
-val test1: String by "OK"
-val test2: Int by <!DELEGATE_SPECIAL_FUNCTION_RETURN_TYPE_MISMATCH!>"OK"<!>
-val test3 by "OK"

compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/noOperatorModifierOnProvideDelegate.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 
 import kotlin.reflect.KProperty