feat(essentials): Adds HoldAllCalls join and action

essentials-framework/Essentials Core/PepperDashEssentialsBase/Bridges/JoinMaps/VideoCodecControllerJoinMap.cs

@@ -1028,6 +1028,20 @@ namespace PepperDash.Essentials.Core.Bridges.JoinMaps
 				JoinType = eJoinType.Digital
 			});
 
+        [JoinName("HoldAllCalls")]
+        public JoinDataComplete HoldAllCalls = new JoinDataComplete(
+            new JoinData
+            {
+                JoinNumber = 220,
+                JoinSpan = 1
+            },
+            new JoinMetadata
+            {
+                Description = "Holds all calls",
+                JoinCapabilities = eJoinCapabilities.FromSIMPL,
+                JoinType = eJoinType.Digital
+            });
+
         [JoinName("HoldCallsStart")]
         public JoinDataComplete HoldCallsStart = new JoinDataComplete(
             new JoinData

essentials-framework/Essentials Devices Common/Essentials Devices Common/VideoCodec/VideoCodecBase.cs

@@ -1216,6 +1216,14 @@ ScreenIndexIsPinnedTo: {8} (a{17})
             var holdCodec = this as IHasCallHold;
             if (holdCodec != null)
             {
+                trilist.SetSigFalseAction(joinMap.HoldAllCalls.JoinNumber, () =>
+                {
+                    foreach (var call in ActiveCalls)
+                    {
+                        holdCodec.HoldCall(call);
+                    }
+                });
+
                 for (int i = 0; i < joinMap.HoldCallsStart.JoinSpan; i++)
                 {
                     var index = i;