Fixed some event-related issues and guessing

modules/utils/event_utils.py

@@ -18,7 +18,7 @@ async def validate_event_validity(
     guild_timezone: ZoneInfo,
     event_id: ObjectId | None = None,
 ) -> bool:
-    if start_date > finish_date:
+    if start_date >= finish_date:
         # TODO Make a nice message
         await ctx.respond("Start date must be before finish date")
         return False