Issue #8628 - pseudo restore PathMappings.getMatch(String)

+ This returns a MappedResource, but not
  the stored instance, but a new instance
  of MappedResource every time.

+ Flagged deprecated APIs for removal
  as well

Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>

jetty-http/src/main/java/org/eclipse/jetty/http/pathmap/PathMappings.java

@@ -256,10 +256,11 @@ public class PathMappings<E> implements Iterable<MappedResource<E>>, Dumpable
     /**
      * @deprecated use {@link #getMatched(String)} instead
      */
-    @Deprecated
+    @Deprecated(forRemoval = true)
     public MappedResource<E> getMatch(String path)
     {
-        throw new UnsupportedOperationException("Use .getMatched(String) instead");
+        MatchedResource<E> matchedPath = getMatched(path);
+        return new MappedResource<>(matchedPath.getPathSpec(), matchedPath.getResource());
     }
 
     @Override
@@ -271,7 +272,7 @@ public class PathMappings<E> implements Iterable<MappedResource<E>>, Dumpable
     /**
      * @deprecated use {@link PathSpec#from(String)} instead
      */
-    @Deprecated
+    @Deprecated(forRemoval = true)
     public static PathSpec asPathSpec(String pathSpecString)
     {
         return PathSpec.from(pathSpecString);