Update bytecode text tests for JVM_IR

compiler/testData/codegen/bytecodeText/properties/lateinit/companionObject.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 class Foo {
     private companion object {
         lateinit var x: String
@@ -21,5 +20,10 @@ class Foo {
 
 fun consume(s: String) {}
 
+// JVM_TEMPLATES
 // There's 1 assertion in Foo.Companion.getX, and 4 in Foo.test2 (see KT-28331)
 // 5 throwUninitializedPropertyAccessException
+
+// JVM_IR_TEMPLATES
+// JVM_IR invokes getX() (as suggested in KT-28331)
+// 1 throwUninitializedPropertyAccessException