[FIR] Implement OUTER_CLASS_ARGUMENTS_REQUIRED diagnostics

compiler/testData/diagnostics/tests/generics/innerClasses/importedInner.fir.kt

@@ -11,7 +11,7 @@ class Outer<E> {
     }
 
     class Nested {
-        fun bar(x: Inner) {}
+        fun bar(x: <!OUTER_CLASS_ARGUMENTS_REQUIRED!>Inner<!>) {}
     }
 }
 

compiler/testData/diagnostics/tests/generics/innerClasses/outerArgumentsRequired.fir.kt

@@ -11,13 +11,13 @@ class A<T> {
     }
 
     class Nested {
-        val x: B<String>? = null
-        val y: B<String>.C<String>? = null
-        val z: B<String>.D? = null
+        val x: <!OUTER_CLASS_ARGUMENTS_REQUIRED("class 'A'")!>B<String>?<!> = null
+        val y: <!OUTER_CLASS_ARGUMENTS_REQUIRED("class 'A'")!>B<String>.C<String>?<!> = null
+        val z: <!OUTER_CLASS_ARGUMENTS_REQUIRED("class 'A'")!>B<String>.D?<!> = null
 
-        val c: <!WRONG_NUMBER_OF_TYPE_ARGUMENTS!>C<Int>?<!> = null
-        val d: <!WRONG_NUMBER_OF_TYPE_ARGUMENTS!>D?<!> = null
+        val c: <!OUTER_CLASS_ARGUMENTS_REQUIRED("class 'B'")!>C<Int>?<!> = null
+        val d: <!OUTER_CLASS_ARGUMENTS_REQUIRED("class 'B'")!>D?<!> = null
 
-        val innerMost: <!WRONG_NUMBER_OF_TYPE_ARGUMENTS!>Innermost<String>?<!> = null
+        val innerMost: <!OUTER_CLASS_ARGUMENTS_REQUIRED("class 'B'")!>Innermost<String>?<!> = null
     }
 }