Fix DebuggerProxy to show property names and move TagObjects to top

Co-authored-by: tarekgh <10833894+tarekgh@users.noreply.github.com>

Author: Copilot

src/libraries/System.Diagnostics.DiagnosticSource/src/System/Diagnostics/Activity.cs

@@ -2189,23 +2189,8 @@ public ActivityDebuggerProxy(Activity activity)
         public string? Id => _activity.Id;
         public string OperationName => _activity.OperationName;
         public string DisplayName => _activity.DisplayName;
-        public ActivitySource Source => _activity.Source;
-        public Activity? Parent => _activity.Parent;
-        public string? ParentId => _activity.ParentId;
-        public ActivityKind Kind => _activity.Kind;
-        public DateTime StartTimeUtc => _activity.StartTimeUtc;
-        public TimeSpan Duration => _activity.Duration;
-        public ActivityTraceId TraceId => _activity.TraceId;
-        public ActivitySpanId SpanId => _activity.SpanId;
-        public ActivitySpanId ParentSpanId => _activity.ParentSpanId;
-        public string? TraceStateString => _activity.TraceStateString;
-        public ActivityTraceFlags ActivityTraceFlags => _activity.ActivityTraceFlags;
-        public bool HasRemoteParent => _activity.HasRemoteParent;
-        public ActivityStatusCode Status => _activity.Status;
-        public string? StatusDescription => _activity.StatusDescription;
 
-        [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
-        public KeyValuePair<string, object?>[] Tags
+        public KeyValuePair<string, object?>[] TagObjects
         {
             get
             {
@@ -2218,7 +2203,6 @@ public ActivityDebuggerProxy(Activity activity)
             }
         }
 
-        [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
         public KeyValuePair<string, string?>[] Baggage
         {
             get
@@ -2232,7 +2216,6 @@ public ActivityDebuggerProxy(Activity activity)
             }
         }
 
-        [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
         public ActivityEvent[] Events
         {
             get
@@ -2246,7 +2229,6 @@ public ActivityEvent[] Events
             }
         }
 
-        [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
         public ActivityLink[] Links
         {
             get
@@ -2259,5 +2241,21 @@ public ActivityLink[] Links
                 return links.ToArray();
             }
         }
+
+        public ActivityContext Context => _activity.Context;
+        public ActivitySource Source => _activity.Source;
+        public Activity? Parent => _activity.Parent;
+        public string? ParentId => _activity.ParentId;
+        public ActivityKind Kind => _activity.Kind;
+        public DateTime StartTimeUtc => _activity.StartTimeUtc;
+        public TimeSpan Duration => _activity.Duration;
+        public ActivityTraceId TraceId => _activity.TraceId;
+        public ActivitySpanId SpanId => _activity.SpanId;
+        public ActivitySpanId ParentSpanId => _activity.ParentSpanId;
+        public string? TraceStateString => _activity.TraceStateString;
+        public ActivityTraceFlags ActivityTraceFlags => _activity.ActivityTraceFlags;
+        public bool HasRemoteParent => _activity.HasRemoteParent;
+        public ActivityStatusCode Status => _activity.Status;
+        public string? StatusDescription => _activity.StatusDescription;
     }
 }

src/libraries/System.Diagnostics.DiagnosticSource/tests/ActivityTests.cs

@@ -2580,7 +2580,7 @@ public void TestActivityDebuggerProxy()
             Assert.NotNull(operationNameProp);
             Assert.Equal("TestOperation", operationNameProp.GetValue(proxy));
 
-            PropertyInfo? tagsProp = proxyType.GetProperty("Tags");
+            PropertyInfo? tagsProp = proxyType.GetProperty("TagObjects");
             Assert.NotNull(tagsProp);
             object? tags = tagsProp.GetValue(proxy);
             Assert.NotNull(tags);