[NI] Report unsafe implicit invoke accordingly to OI

This reverts commit df046683cc.
KT-30695

compiler/testData/diagnostics/tests/resolve/invoke/kt30695_2.fir.kt

@@ -0,0 +1,25 @@
+class MemberInvokeOwner {
+    operator fun invoke() {}
+}
+
+class Cls {
+    fun testImplicitReceiver() {
+        <!INAPPLICABLE_CANDIDATE!>nullableExtensionProperty<!>()
+    }
+}
+
+val Cls.nullableExtensionProperty: MemberInvokeOwner?
+    get() = null
+
+val Cls.extensionProperty: MemberInvokeOwner
+    get() = TODO()
+
+fun testNullableReceiver(nullable: Cls?) {
+    nullable?.extensionProperty()
+    nullable.<!UNRESOLVED_REFERENCE!>extensionProperty<!>()
+}
+
+fun testNotNullableReceiver(notNullable: Cls) {
+    notNullable.<!INAPPLICABLE_CANDIDATE!>nullableExtensionProperty<!>()
+    notNullable?.extensionProperty()
+}