Disable auto call hangup and check for DB inconsistency in call channels

src/groups/calls/events.rs

@@ -220,6 +220,17 @@ impl OnMessageHandler<State, Extras> for CallMessageHandler {
             return Ok(());
         };
 
+        if opposite_channel.call_id != Some(call.id) {
+            log::error!(
+                "Channel {} is listed as the opposite channel of channel {} in call {}, but its call ID is {}.",
+                opposite_channel.id,
+                channel.id,
+                call.id,
+                opposite_channel.call_id.map_or("None".into(), |i| i.to_string())
+            );
+            return Ok(());
+        }
+
         let Some((webhook_id, webhook_token)) = opposite_channel
             .webhook_id
             .zip(opposite_channel.webhook_token.clone())