fix: adds initializer for dictionaries

src/PepperDash.Essentials.Core/Config/AudioControlPointListItem.cs

@@ -11,9 +11,10 @@ namespace PepperDash.Essentials.Core.Config
     public class AudioControlPointListItem
     {
         [JsonProperty("levelControls")]
-        public Dictionary<string, LevelControlListItem> LevelControls { get; set; }
+        public Dictionary<string, LevelControlListItem> LevelControls { get; set; } = new Dictionary<string, LevelControlListItem>();
 
         [JsonProperty("presets")]
-        public Dictionary<string, PresetListItem> Presets { get; set; }
+        public Dictionary<string, PresetListItem> Presets { get; set; } = new Dictionary<string, PresetListItem>();
+
     }
 }

src/PepperDash.Essentials.Core/Config/BasicConfig.cs

@@ -26,7 +26,7 @@ namespace PepperDash.Essentials.Core.Config
         public Dictionary<string, Dictionary<string, DestinationListItem>> DestinationLists { get; set; }
 
         [JsonProperty("audioControlPointLists")]
-        public Dictionary<string, Dictionary<string, AudioControlPointListItem>> AudioControlPointLists { get; set; }
+        public Dictionary<string, AudioControlPointListItem> AudioControlPointLists { get; set; }
 
         [JsonProperty("tieLines")]
 		public List<TieLineConfig> TieLines { get; set; }
@@ -40,7 +40,7 @@ namespace PepperDash.Essentials.Core.Config
             Devices = new List<DeviceConfig>();
             SourceLists = new Dictionary<string, Dictionary<string, SourceListItem>>();
             DestinationLists = new Dictionary<string, Dictionary<string, DestinationListItem>>();
-            AudioControlPointLists = new Dictionary<string, Dictionary<string, AudioControlPointListItem>>();
+            AudioControlPointLists = new Dictionary<string, AudioControlPointListItem>();
             TieLines = new List<TieLineConfig>();
             JoinMaps = new Dictionary<string, JObject>();
         }
@@ -76,7 +76,7 @@ namespace PepperDash.Essentials.Core.Config
         /// </summary>
         /// <param name="key">key of the list to retrieve</param>
         /// <returns>AudioControlPointList if the key exists, null otherwise</returns>
-        public Dictionary<string, AudioControlPointListItem> GetAudioControlPointListForKey(string key)
+        public AudioControlPointListItem GetAudioControlPointListForKey(string key)
         {
             if (string.IsNullOrEmpty(key) || !AudioControlPointLists.ContainsKey(key))
                 return null;

src/PepperDash.Essentials.Core/Room/EssentialsRoomBase.cs

@@ -110,12 +110,12 @@ namespace PepperDash.Essentials.Core
             }
         }
 
-        private string _levelControlListKey;
-        public string LevelControlListKey
+        private string _audioControlPointListKey;
+        public string AudioControlPointListKey
         {
             get
             {
-                if (string.IsNullOrEmpty(_levelControlListKey))
+                if (string.IsNullOrEmpty(_audioControlPointListKey))
                 {
                     return _defaultListKey;
                 }
@@ -126,9 +126,9 @@ namespace PepperDash.Essentials.Core
             }
             protected set
             {
-                if (value != _levelControlListKey)
+                if (value != _audioControlPointListKey)
                 {
-                    _levelControlListKey = value;
+                    _audioControlPointListKey = value;
                 }
             }
         }

src/PepperDash.Essentials.Core/Room/IEssentialsRoom.cs

@@ -29,7 +29,7 @@ namespace PepperDash.Essentials.Core
 
         string DestinationListKey { get; }
 
-        string LevelControlListKey { get; }
+        string AudioControlPointListKey { get; }
 
         SecondsCountdownTimer ShutdownPromptTimer { get; }
         int ShutdownPromptSeconds { get; }