JVM_IR KT-45998 fix protected companion object member accessors

Also, make sure it works with indy-based SAM conversions.

compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/withAccessor/protectedSuperclassCompanionObjectMember.kt

@@ -0,0 +1,36 @@
+// TARGET_BACKEND: JVM
+// IGNORE_LIGHT_ANALYSIS
+// IGNORE_BACKEND: JVM
+// JVM_TARGET: 1.8
+// SAM_CONVERSIONS: INDY
+// WITH_RUNTIME
+// FULL_JDK
+
+// CHECK_BYTECODE_TEXT
+// 1 java/lang/invoke/LambdaMetafactory
+
+// FILE: test.kt
+import c2.*
+
+fun box(): String =
+    C2().supplier().get()
+
+// FILE: C1.kt
+package c1
+
+open class C1 {
+    companion object {
+        @JvmStatic
+        protected fun test(): String = "OK"
+    }
+}
+
+// FILE: C2.kt
+package c2
+
+import c1.*
+import java.util.function.Supplier
+
+class C2 : C1() {
+    fun supplier() = Supplier<String>(::test)
+}