[FIR] Check rest OUTER_CLASS_ARGUMENTS_REQUIRED diagnostics on checkers stage

Add FirOuterClassArgumentsRequiredChecker

compiler/testData/diagnostics/tests/generics/innerClasses/implicitArguments/inStaticScope.fir.kt

@@ -1,7 +0,0 @@
-interface Inv<X>
-class Outer<E> {
-    inner class Inner
-
-    class Nested : Inv<Inner>
-    object Obj : Inv<Inner>
-}

compiler/testData/diagnostics/tests/generics/innerClasses/implicitArguments/inStaticScope.kt

@@ -1,7 +1,10 @@
+// FIR_IDENTICAL
 interface Inv<X>
 class Outer<E> {
     inner class Inner
 
     class Nested : Inv<<!OUTER_CLASS_ARGUMENTS_REQUIRED!>Inner<!>>
+    inner class Inner2 : Inv<Inner> // no error
     object Obj : Inv<<!OUTER_CLASS_ARGUMENTS_REQUIRED!>Inner<!>>
 }
+

compiler/testData/diagnostics/tests/generics/innerClasses/implicitArguments/inStaticScope.txt

@@ -19,6 +19,13 @@ public final class Outer</*0*/ E> {
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
 
+    public final inner class Inner2 /*captured type parameters: /*0*/ E*/ : Inv<Outer<E>.Inner> {
+        public constructor Inner2()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
     public final class Nested : Inv<[ERROR : Inner]> {
         public constructor Nested()
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
@@ -33,3 +40,4 @@ public final class Outer</*0*/ E> {
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
 }
+