RemoveAll delegation fixes.

Author: anderson-joyle

src/libraries/Microsoft.PowerFx.Core/App/IExternalEnabledFeatures.cs

@@ -21,9 +21,7 @@ internal interface IExternalEnabledFeatures
 
         bool IsEnhancedComponentFunctionPropertyEnabled { get; }
 
-        bool IsComponentFunctionPropertyDataflowEnabled { get; }
-
-        bool IsRemoveAllDelegationEnabled { get; }
+        bool IsComponentFunctionPropertyDataflowEnabled { get; }
     }
 
     internal sealed class DefaultEnabledFeatures : IExternalEnabledFeatures
@@ -39,7 +37,5 @@ internal sealed class DefaultEnabledFeatures : IExternalEnabledFeatures
         public bool IsEnhancedComponentFunctionPropertyEnabled => true;
 
         public bool IsComponentFunctionPropertyDataflowEnabled => true;
-
-        public bool IsRemoveAllDelegationEnabled => true;
     }
 }

src/libraries/Microsoft.PowerFx.Core/Public/Config/Features.cs

@@ -82,6 +82,11 @@ public sealed class Features
         /// </summary>
         internal bool IsUserDefinedTypesEnabled { get; init; } = false;
 
+        /// <summary>
+        /// Enables RemoveAll delegation.
+        /// </summary>
+        internal bool IsRemoveAllDelegationEnabled { get; init; }
+
         internal static readonly Features None = new Features();
 
         /// <summary>
@@ -124,6 +129,7 @@ internal Features(Features other)
             AsTypeLegacyCheck = other.AsTypeLegacyCheck;
             JsonFunctionAcceptsLazyTypes = other.JsonFunctionAcceptsLazyTypes;
             IsLookUpReductionDelegationEnabled = other.IsLookUpReductionDelegationEnabled;
+            IsRemoveAllDelegationEnabled = other.IsRemoveAllDelegationEnabled;
         }
     }
 }

src/libraries/Microsoft.PowerFx.Core/Texl/Remove.cs

@@ -509,7 +509,7 @@ public override bool IsServerDelegatable(CallNode callNode, TexlBinding binding)
             }
 
             // Use ECS flag as a guard.
-            if (binding.Document != null && !binding.Document.Properties.EnabledFeatures.IsRemoveAllDelegationEnabled)
+            if (!binding.Features.IsRemoveAllDelegationEnabled)
             {
                 return false;
             }