[FIR] Support diagnostic SUPER_IS_NOT_AN_EXPRESSION

compiler/fir/analysis-tests/testData/resolve/diagnostics/superIsNotAnExpression.kt

@@ -0,0 +1,13 @@
+class A
+
+class B: A() {
+    fun act() {
+        <!SUPER_IS_NOT_AN_EXPRESSION!>super<!>()
+
+        <!UNRESOLVED_REFERENCE!>invoke<!>()
+
+        <!SUPER_IS_NOT_AN_EXPRESSION!>super<!> {
+            println('weird')
+        }
+    }
+}