feat(history): autocomplete JID for verify/export/import

src/command/cmd_ac.c

@@ -1806,6 +1806,14 @@ _cmd_ac_complete_params(ProfWin* window, const char* const input, gboolean previ
         return result;
     }
 
+    gchar* history_jid_subcmds[] = { "/history verify", "/history export", "/history import" };
+    for (int i = 0; i < ARRAY_SIZE(history_jid_subcmds); i++) {
+        result = autocomplete_param_with_func(input, history_jid_subcmds[i], roster_barejid_autocomplete, previous, NULL);
+        if (result) {
+            return result;
+        }
+    }
+
     result = autocomplete_param_with_ac(input, "/history", history_ac, TRUE, previous);
     if (result) {
         return result;