JVM IR: do not mangle synthetic methods with inline class parameters

For example, synthetic `$annotations` methods for properties were
previously mangled to `$annotations-...`, which breaks annotation
loader, and fails an assert in ClassCodegen.generateMethod.

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/inlineclasses/MemoizedInlineClassReplacements.kt

@@ -51,7 +51,7 @@ class MemoizedInlineClassReplacements {
                         it.isSyntheticInlineClassMember ||
                         it.origin == IrDeclarationOrigin.LOCAL_FUNCTION_FOR_LAMBDA ||
                         it.origin == IrDeclarationOrigin.DELEGATED_PROPERTY_ACCESSOR ||
-                        it.origin == JvmLoweredDeclarationOrigin.POLYMORPHIC_SIGNATURE_INSTANTIATION -> null
+                        it.origin.isSynthetic -> null
                 it.hasMethodReplacement -> createMethodReplacement(it)
                 it.hasStaticReplacement -> createStaticReplacement(it)
                 else -> null