doc/ together with test and utilities, rewrite the UI to be more in
line with the rest of the edit pages (including the revamped stream
state change UI)
- Legacy-Id: 6269
- Made Publication Request (for documents from IETF working groups) an
explicit action rather than a side-effect.
- Simplified the working group state edit form.
- Added hints to the WG state edit form to use the document's main page to
request publication.
- If a document is moved into IESG processing directly by the secretariat or
an AD (old processing path), set working group state accordingly.
- Legacy-Id: 6120
