Fixed all underlying issues with the "Answer" call.

RelayServer/Services/Rtc/RtcCallService.cs

@@ -124,13 +124,14 @@ public sealed class RtcCallService
     /// <returns>
     /// A list of answers for the channel ordered from oldest to newest.
     /// </returns>
-    public async Task<List<RtcAnswer>> GetAnswersAsync(string channelId)
+    public async Task<List<RtcSessionDescription>> GetAnswersAsync(string channelId)
     {
-        var answers = await _db.Select<RtcAnswer>("rtc_answers");
-        return answers
-            .Where(x => x.ChannelId == channelId)
-            .OrderBy(x => x.CreatedAt)
-            .ToList();
+        var activeCall = await GetActiveCallAsync(channelId);
+
+        if (activeCall?.Answer is null)
+            return [];
+
+        return [activeCall.Answer];
     }
 
     /// <summary>
@@ -140,13 +141,10 @@ public sealed class RtcCallService
     /// <returns>
     /// The newest answer for the channel, or null if no answer exists.
     /// </returns>
-    public async Task<RtcAnswer?> GetLatestAnswerAsync(string channelId)
+    public async Task<RtcSessionDescription?> GetLatestAnswerAsync(string channelId)
     {
-        var answers = await _db.Select<RtcAnswer>("rtc_answers");
-        return answers
-            .Where(x => x.ChannelId == channelId)
-            .OrderByDescending(x => x.CreatedAt)
-            .FirstOrDefault();
+        var activeCall = await GetActiveCallAsync(channelId);
+        return activeCall?.Answer;
     }
 
     /// <summary>