Restore Actor.Tag property as deprecated for backwards compatibility

Regression from a570d6d178

Source/Engine/Level/Actor.cpp

@@ -471,6 +471,21 @@ bool Actor::HasTag(const StringView& tag) const
     return Tags.Contains(tag);
 }
 
+PRAGMA_DISABLE_DEPRECATION_WARNINGS
+
+const String& Actor::GetTag() const
+{
+    return Tags.Count() != 0 ? Tags[0].ToString() : String::Empty;
+}
+
+void Actor::SetTag(const StringView& value)
+{
+    const Tag tag = Tags::Get(value);
+    Tags.Set(&tag, 1);
+}
+
+PRAGMA_ENABLE_DEPRECATION_WARNINGS
+
 void Actor::SetLayer(int32 layerIndex)
 {
     layerIndex = Math::Clamp(layerIndex, 0, 31);

Source/Engine/Level/Actor.h

@@ -130,6 +130,19 @@ public:
     /// <param name="tag">The tag to check.</param>
     API_FUNCTION() bool HasTag(const StringView& tag) const;
 
+    /// <summary>
+    /// Gets the name of the tag.
+    /// [Deprecated in v1.5]
+    /// </summary>
+    API_PROPERTY(Attributes="HideInEditor, NoSerialize, NoAnimate")
+    DEPRECATED const String& GetTag() const;
+
+    /// <summary>
+    /// Sets the name of the tag.
+    /// [Deprecated in v1.5]
+    /// </summary>
+    API_PROPERTY() DEPRECATED void SetTag(const StringView& value);
+
     /// <summary>
     /// Gets the actor name.
     /// </summary>