MINOR: Wrapping exceptions in usage for groups and metrics utility (#19151)

If specified an invalid option then an exception trace appears with
`kafka-client-metrics.sh` and `kafka-groups.sh` utilities. Then once has
to explicitly remove the invalid argument and append `--help` to fetch
correct options. The PR fixes below error message to one with `cause`
and `usage`. This behaviour is similar to `kafka-console-consumer.sh`
and `kafka-console-share-consumer.sh`

Reviewers: Andrew Schofield <aschofield@confluent.io>

tools/src/main/java/org/apache/kafka/tools/ClientMetricsCommand.java

@@ -49,6 +49,7 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import joptsimple.ArgumentAcceptingOptionSpec;
+import joptsimple.OptionException;
 import joptsimple.OptionSpec;
 import joptsimple.OptionSpecBuilder;
 
@@ -260,7 +261,11 @@ public class ClientMetricsCommand {
                 .ofType(String.class)
                 .withValuesSeparatedBy(',');
 
+            try {
                 options = parser.parse(args);
+            } catch (OptionException oe) {
+                CommandLineUtils.printUsageAndExit(parser, oe.getMessage());
+            }
 
             checkArgs();
         }

tools/src/main/java/org/apache/kafka/tools/GroupsCommand.java

@@ -40,6 +40,7 @@ import java.util.concurrent.TimeUnit;
 import java.util.stream.Stream;
 
 import joptsimple.ArgumentAcceptingOptionSpec;
+import joptsimple.OptionException;
 import joptsimple.OptionSpec;
 import joptsimple.OptionSpecBuilder;
 
@@ -217,7 +218,11 @@ public class GroupsCommand {
                             + "This matches group type 'consumer', and group type 'classic' where the protocol type is 'consumer' or empty.");
             shareOpt = parser.accepts("share", "Filter the groups to show share groups.");
 
+            try {
                 options = parser.parse(args);
+            } catch (OptionException oe) {
+                CommandLineUtils.printUsageAndExit(parser, oe.getMessage());
+            }
 
             checkArgs();
         }