Add missing `dateline` in frus1919Parisv04

[WaxCylinderRevival]

• [x] https://history.state.gov/historicaldocuments/frus1919Parisv04/d49
  • [x] Edit existing p and add dateline to new closer:

    <closer>
    <dateline>
    <placeName>
    <hi rend="smallcaps">Paris</hi>
    </placeName>, <date when="1919-05-23">23 May 1919</date>.</dateline>
    </closer>

    AND

  • [x] Add dateline:

    <dateline>
    <placeName>Paris</placeName>, <date when="1919-05-23T15:00:00+01:00" ana="#date_undated-inferred-from-document-head" type="meeting-date">May 23, 1919, 3 p.m.</date>
    </dateline>

  • [x] Add/Update @frus:doc-dateTime-min and @frus:doc-dateTime-max

[WaxCylinderRevival]

• [x] Commit changes: https://github.com/HistoryAtState/frus/commit/1163947ad0cf559b394d3f0a43f9c6fbb0543efe