Lots of changes. Things are working better. Files are now showing for the session and presenter. Next is location and event.

src/lib/db_events.ts

@@ -355,6 +355,7 @@ export interface Session {
     file_count?: null|number; // Only files directly under a session
     file_count_all?: null|number; // All files under a session
     internal_use_count?: null|number; // Files marked for internal use
+    event_file_id_li_json?: null|string;
 
     poc_person_given_name?: null|string;
     poc_person_family_name?: null|string;