[cleanup] Use Comparator.comparing

Done with the JDT UI cleanup action.

Change-Id: Ibdb80cce2094679610af32d4973ed1f061c53cc9
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.team/+/183555
Tested-by: Platform Bot <platform-bot@eclipse.org>
diff --git a/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/CompareUIPlugin.java b/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/CompareUIPlugin.java
index dd5fb00..9f8c8a7 100644
--- a/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/CompareUIPlugin.java
+++ b/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/CompareUIPlugin.java
@@ -24,6 +24,7 @@
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Hashtable;
@@ -906,7 +907,7 @@
 		}
 
 		ArrayList<CompareFilterDescriptor> list = new ArrayList<>(result);
-		Collections.sort(list, (left, right) -> left.getFilterId().compareTo(right.getFilterId()));
+		Collections.sort(list, Comparator.comparing(CompareFilterDescriptor::getFilterId));
 
 		return result.toArray(new CompareFilterDescriptor[result.size()]);
 	}