Show ballots for charters that are in external review in search results (including the iesg/agenda/documents page). Fixed ietf-tools#1792. Commit ready for merge. Should also be patched into production.

 - Legacy-Id: 11487

Author: rjsparks

ietf/doc/templatetags/ballot_icon.py

@@ -50,7 +50,7 @@ def showballoticon(doc):
         if doc.get_state_slug("draft-iesg") not in IESG_BALLOT_ACTIVE_STATES:
             return False
     elif doc.type_id == "charter":
-        if doc.get_state_slug() not in ("intrev", "iesgrev"):
+        if doc.get_state_slug() not in ("intrev", "extrev", "iesgrev"):
             return False
     elif doc.type_id == "conflrev":
        if doc.get_state_slug() not in ("iesgeval","defer"):