Mark all broker configs as read-only in read-only clusters (#556)

Co-authored-by: Roman Zabaluev <gpg@haarolean.dev>

Author: hadisfr

api/src/main/java/io/kafbat/ui/model/InternalBrokerConfig.java

@@ -16,12 +16,12 @@ public class InternalBrokerConfig {
   private final boolean isReadOnly;
   private final List<ConfigEntry.ConfigSynonym> synonyms;
 
-  public static InternalBrokerConfig from(ConfigEntry configEntry) {
+  public static InternalBrokerConfig from(ConfigEntry configEntry, boolean readOnlyCluster) {
     InternalBrokerConfig.InternalBrokerConfigBuilder builder = InternalBrokerConfig.builder()
         .name(configEntry.name())
         .value(configEntry.value())
         .source(configEntry.source())
-        .isReadOnly(configEntry.isReadOnly())
+        .isReadOnly(readOnlyCluster || configEntry.isReadOnly())
         .isSensitive(configEntry.isSensitive())
         .synonyms(configEntry.synonyms());
     return builder.build();

api/src/main/java/io/kafbat/ui/service/BrokerService.java

@@ -59,7 +59,7 @@ private Flux<InternalBrokerConfig> getBrokersConfig(KafkaCluster cluster, Intege
     }
     return loadBrokersConfig(cluster, brokerId)
         .map(list -> list.stream()
-            .map(InternalBrokerConfig::from)
+            .map(configEntry -> InternalBrokerConfig.from(configEntry, cluster.isReadOnly()))
             .collect(Collectors.toList()))
         .flatMapMany(Flux::fromIterable);
   }