Fix permanent KafkaBridge enableMetrics deprecation warning (#12024)

Signed-off-by: Jakub Scholz <www@scholzj.com>

Author: scholzj

api/src/main/java/io/strimzi/api/kafka/model/bridge/KafkaBridgeSpec.java

@@ -61,7 +61,7 @@ public class KafkaBridgeSpec extends Spec implements HasConfigurableLogging, Has
     private ResourceRequirements resources;
     private JvmOptions jvmOptions;
     private Logging logging;
-    private boolean enableMetrics;
+    private Boolean enableMetrics;
     private MetricsConfig metricsConfig;
     private Probe livenessProbe;
     private Probe readinessProbe;
@@ -90,11 +90,11 @@ public void setReplicas(int replicas) {
     @PresentInVersions("v1beta2")
     @JsonInclude(JsonInclude.Include.NON_DEFAULT)
     @Description("Enable the metrics for the Kafka Bridge. Default is false.")
-    public boolean getEnableMetrics() {
+    public Boolean getEnableMetrics() {
         return enableMetrics;
     }
 
-    public void setEnableMetrics(boolean enableMetrics) {
+    public void setEnableMetrics(Boolean enableMetrics) {
         this.enableMetrics = enableMetrics;
     }
 

cluster-operator/src/main/java/io/strimzi/operator/cluster/model/KafkaBridgeCluster.java

@@ -203,7 +203,7 @@ public static KafkaBridgeCluster fromCrd(Reconciliation reconciliation,
         } else if (spec.getMetricsConfig() instanceof StrimziMetricsReporter) {
             result.metrics = new StrimziMetricsReporterModel(spec, DEFAULT_METRICS_ALLOW_LIST);
         } else {
-            result.isLegacyMetricsConfigEnabled = spec.getEnableMetrics();
+            result.isLegacyMetricsConfigEnabled = Boolean.TRUE.equals(spec.getEnableMetrics());
         }
 
         result.setTls(spec.getTls() != null ? spec.getTls() : null);