[NI] Report unsafe implicit invoke accordingly to OI

There are several issues with unsafe desugaring for convention calls.
Proper fix is not implemented here (see design proposal KT-30872).
This commit only applies the old logic in the new inference.
^KT-30695 Fixed

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()
+}