[FIR] Mark more calls origin as OPERATOR

compiler/testData/diagnostics/tests/delegatedProperty/disallowImplInTypeParameter.fir.kt

@@ -1,7 +0,0 @@
-import kotlin.reflect.KProperty0
-
-val a: Int by A()
-
-class A {
-    fun getValue(t: Any?, p: KProperty0<*>): Int = 1
-}

compiler/testData/diagnostics/tests/delegatedProperty/disallowImplInTypeParameter.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 import kotlin.reflect.KProperty0
 
 val a: Int by <!DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE!>A()<!>

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

@@ -13,6 +13,6 @@ 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 "OK"
+val test2: Int by <!DELEGATE_SPECIAL_FUNCTION_RETURN_TYPE_MISMATCH!>"OK"<!>
 val test3 by "OK"