fix(shorebird_cli): log stack trace only when using --verbose (#1918)

Co-authored-by: Felix Angelov <felix@shorebird.dev>

packages/shorebird_cli/lib/src/command_runner.dart

@@ -135,7 +135,7 @@ class ShorebirdCliCommandRunner extends CompletionCommandRunner<int> {
       // exit with an error code
       logger
         ..err(e.message)
-        ..err('$stackTrace')
+        ..detail('$stackTrace')
         ..info('')
         ..info(usage);
       return ExitCode.usage.code;
@@ -210,7 +210,7 @@ Run ${lightCyan.wrap('shorebird upgrade')} to upgrade.''');
       } catch (error, stackTrace) {
         logger
           ..err('$error')
-          ..info('$stackTrace');
+          ..detail('$stackTrace');
         exitCode = ExitCode.software.code;
       }
     }

packages/shorebird_cli/test/src/command_runner_test.dart

@@ -272,6 +272,18 @@ Run ${lightCyan.wrap('shorebird upgrade')} to upgrade.'''),
     });
 
     group('on command failure', () {
+      test('logs a stack trace using detail', () async {
+        // This will fail due to the release android command missing scoped
+        // dependencies.
+        // Note: the --verbose flag is here for illustrative purposes only.
+        // Because logger is a mock, setting the log level in code does
+        // nothing.
+        await runWithOverrides(
+          () => commandRunner.run(['release', 'android', '--verbose']),
+        );
+        verify(() => logger.detail(any(that: contains('#0')))).called(1);
+      });
+
       group('when running with --verbose', () {
         setUp(() {
           when(() => logger.level).thenReturn(Level.verbose);