[ObjCExport] Fix interface implementing interface

KT-66380

native/objcexport-header-generator/testData/headers/interfaceImplementingInterface/Foo.kt

@@ -6,4 +6,4 @@ interface Foo {
 
 interface Bar : Foo {
     override fun someMethodWithCovariantOverwrite(): String = ""
-}
+}

native/objcexport-header-generator/testData/headers/multipleInterfacesImplementationChain/!multipleInterfacesImplementationChain.h

@@ -0,0 +1,47 @@
+#import <Foundation/NSArray.h>
+#import <Foundation/NSDictionary.h>
+#import <Foundation/NSError.h>
+#import <Foundation/NSObject.h>
+#import <Foundation/NSSet.h>
+#import <Foundation/NSString.h>
+#import <Foundation/NSValue.h>
+
+@protocol A, B, C;
+
+NS_ASSUME_NONNULL_BEGIN
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunknown-warning-option"
+#pragma clang diagnostic ignored "-Wincompatible-property-type"
+#pragma clang diagnostic ignored "-Wnullability"
+
+#pragma push_macro("_Nullable_result")
+#if !__has_feature(nullability_nullable_result)
+#undef _Nullable_result
+#define _Nullable_result _Nullable
+#endif
+
+@protocol A
+@required
+- (id)funA __attribute__((swift_name("funA()")));
+- (id)funAForOverride __attribute__((swift_name("funAForOverride()")));
+@property (readonly) int32_t propertyA __attribute__((swift_name("propertyA")));
+@property (readonly) int32_t propertyAForOverride __attribute__((swift_name("propertyAForOverride")));
+@end
+
+@protocol B <A>
+@required
+- (void)funB __attribute__((swift_name("funB()")));
+@property (readonly) BOOL propertyB __attribute__((swift_name("propertyB")));
+@end
+
+@protocol C <B>
+@required
+@end
+
+@protocol D <C>
+@required
+@end
+
+#pragma pop_macro("_Nullable_result")
+#pragma clang diagnostic pop
+NS_ASSUME_NONNULL_END

native/objcexport-header-generator/testData/headers/multipleInterfacesImplementationChain/Foo.kt

@@ -0,0 +1,21 @@
+interface A {
+    val propertyA: Int
+    val propertyAForOverride: Int
+    fun funA(): Any
+    fun funAForOverride(): Any
+}
+
+interface B : A {
+    val propertyB: Boolean
+    fun funB()
+    override val propertyAForOverride: Int
+        get() = 42
+
+    override fun funAForOverride(): String = ""
+}
+
+interface C : B {
+    override fun funAForOverride(): String = ""
+}
+
+interface D : C