message: refund can only be done by site owner
diff: @@ -731,10 +731,19 @@ export const AUTHORIZATION_DEFINITION: AuthorizationDefinition = {
  },
  {
  resource: Entity.TRANSACTION, action: [
  - Action.EXPORT, Action.SYNCHRONIZE_REFUNDED_TRANSACTION, Action.UPDATE, Action.DELETE,
  - Action.REFUND_TRANSACTION, Action.REMOTE_STOP_TRANSACTION
  + Action.EXPORT, Action.SYNCHRONIZE_REFUNDED_TRANSACTION, Action.UPDATE, Action.DELETE, Action.REMOTE_STOP_TRANSACTION
  ]
  },
  + {
  + resource: Entity.TRANSACTION, action: Action.REFUND_TRANSACTION,
  + condition: {
  + Fn: 'custom:dynamicAuthorizations',
  + args: {
  + asserts: [],
  + filters: ['SitesOwner']
  + }
  + }
  + },
  {
  resource: Entity.TRANSACTION, action: Action.PUSH_TRANSACTION_CDR,
  condition: {
  @@ -2175,7 +2184,7 @@ export const AUTHORIZATION_DEFINITION: AuthorizationDefinition = {
  Fn: 'custom:dynamicAuthorizations',
  args: {
  asserts: [],
  - filters: ['LocalIssuer']
  + filters: ['SitesAdminOrOwner', 'LocalIssuer']
  }
  },
  attributes: [
  @@ -3090,7 +3099,7 @@ export const AUTHORIZATION_DEFINITION: AuthorizationDefinition = {
  ]
  },
  {
  - resource: Entity.TRANSACTION, action: [Action.READ, Action.REFUND_TRANSACTION],
  + resource: Entity.TRANSACTION, action: [Action.READ],
  condition: {
  Fn: 'custom:dynamicAuthorizations',
  args: {
  