[Image Resizer] Add option to remove metadata (#14176)

* Implements option to remove metadata (see #1928)

* Add unit test

* renamed settings switch, update ui text

* Fix exception type, add justification for swallowing exception

* Add unit test to check handling if no metadata is there in targetfile

* Reordered the checkboxes as suggested by @htcfreek

* Reduced size of test image

src/modules/imageresizer/ui/Extensions/BitmapMetadataExtension.cs

@@ -0,0 +1,55 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Windows.Media.Imaging;
+
+namespace ImageResizer.Extensions
+{
+    internal static class BitmapMetadataExtension
+    {
+        public static void CopyMetadataPropertyTo(this BitmapMetadata source, BitmapMetadata target, string query)
+        {
+            if (source == null || target == null || string.IsNullOrWhiteSpace(query))
+            {
+                return;
+            }
+
+            try
+            {
+                var value = source.GetQuerySafe(query);
+
+                if (value == null)
+                {
+                    return;
+                }
+
+                target.SetQuery(query, value);
+            }
+            catch (InvalidOperationException)
+            {
+                // InvalidOperationException is thrown if metadata object is in readonly state.
+                return;
+            }
+        }
+
+        public static object GetQuerySafe(this BitmapMetadata metadata, string query)
+        {
+            if (metadata == null || string.IsNullOrWhiteSpace(query))
+            {
+                return null;
+            }
+
+            try
+            {
+                return metadata.GetQuery(query);
+            }
+            catch (NotSupportedException)
+            {
+                // NotSupportedException is throw if the metadata entry is not preset on the target image (e.g. Orientation not set).
+                return null;
+            }
+        }
+    }
+}