Fixed sonar errors

Author: germanosin

api/src/main/java/io/kafbat/ui/service/metrics/scrape/prometheus/PrometheusTextFormatParser.java

@@ -384,11 +384,11 @@ public Optional<MetricSnapshot> buildSnapshot(String name, @Nullable String help
         return Optional.empty();
       }
       var builder = SummarySnapshot.builder().name(name).help(help);
-      quantiles.asMap().forEach((labels, quantiles) -> {
+      quantiles.asMap().forEach((labels, localQuantiles) -> {
         builder.dataPoint(
             SummarySnapshot.SummaryDataPointSnapshot.builder()
                 .labels(labels)
-                .quantiles(Quantiles.of(new ArrayList<>(quantiles)))
+                .quantiles(Quantiles.of(new ArrayList<>(localQuantiles)))
                 .sum(sums.getOrDefault(labels, Double.NaN))
                 .count(counts.getOrDefault(labels, 0L))
                 .build()

api/src/main/java/io/kafbat/ui/util/MetricsUtils.java

@@ -20,6 +20,9 @@
 
 public final class MetricsUtils {
 
+  private MetricsUtils() {
+  }
+
   public static double readPointValue(DataPointSnapshot dps) {
     return switch (dps) {
       case UnknownDataPointSnapshot unknown -> unknown.getValue();

api/src/test/java/io/kafbat/ui/service/metrics/MetricsUtils.java

@@ -8,12 +8,15 @@
 import java.util.Optional;
 
 public class MetricsUtils {
+
+  private MetricsUtils() {
+  }
+
   public static boolean isTheSameMetric(MetricSnapshot m1, MetricSnapshot m2) {
     if (m1.getClass().equals(m2.getClass())) {
       MetricMetadata metadata1 = m1.getMetadata();
       MetricMetadata metadata2 = m2.getMetadata();
       if (
-
           metadata1.getName().equals(metadata2.getName())
               && metadata1.getHelp().equals(metadata2.getHelp())
               && Optional.ofNullable(