Fix generation of companion object inside inline classes

compiler/testData/codegen/bytecodeListing/inlineClasses/companionObjectInsideInlineClass.kt

@@ -0,0 +1,11 @@
+// !LANGUAGE: +InlineClasses
+
+inline class Foo(val x: Int) {
+    companion object {
+        fun funInCompanion() {}
+
+        private const val constValInCompanion = 1
+    }
+
+    fun inInlineClass() {}
+}

compiler/testData/codegen/bytecodeListing/inlineClasses/companionObjectInsideInlineClass.txt

@@ -0,0 +1,26 @@
+@kotlin.Metadata
+public final class Foo$Companion {
+    inner class Foo$Companion
+    private method <init>(): void
+    public synthetic method <init>(p0: kotlin.jvm.internal.DefaultConstructorMarker): void
+    public final method funInCompanion(): void
+}
+
+@kotlin.Metadata
+public final static class Foo$Erased {
+    public final static @org.jetbrains.annotations.NotNull method box(p0: int): Foo
+    public final static method inInlineClass(p0: int): void
+}
+
+@kotlin.Metadata
+public final class Foo {
+    public final static field Companion: Foo$Companion
+    private final static field constValInCompanion: int
+    private final field x: int
+    inner class Foo$Companion
+    static method <clinit>(): void
+    public method <init>(p0: int): void
+    public final method getX(): int
+    public final method inInlineClass(): void
+    public final method unbox(): int
+}