[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')
+        }
+    }
+}

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

@@ -0,0 +1,22 @@
+FILE: superIsNotAnExpression.kt
+    public final class A : R|kotlin/Any| {
+        public constructor(): R|A| {
+            super<R|kotlin/Any|>()
+        }
+
+    }
+    public final class B : R|A| {
+        public constructor(): R|B| {
+            super<R|A|>()
+        }
+
+        public final fun act(): R|kotlin/Unit| {
+            <Super cannot be a callee>#()
+            <Unresolved name: invoke>#()
+            <Super cannot be a callee>#(<L> = <Super cannot be a callee>@fun <implicit>.<anonymous>(): <implicit> {
+                println#(ERROR_EXPR(Incorrect character: 'weird'))
+            }
+            )
+        }
+
+    }