Add mark_note_as_internal permission to note

What does this MR do and why?

Add mark_note_as_internal permission to note

Changelog: added

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Before	After

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Run the following query and it should return the field markNoteAsInternal

query workItem($fullPath: ID!, $iid: String!) {
  workspace: namespace(fullPath: $fullPath) {
    id
    workItem(iid: $iid) {
      id
      iid
      userPermissions {
        markNoteAsInternal
      }
      namespace {
        id
        __typename
      }
      __typename
    }
    __typename
  }
}

Related to #501171 (closed)