Add equals & hashCode into IntWebExchangeBindEx

According Sonar report we need to re-implement `equals()` & `hashCode()`
methods in the `IntegrationWebExchangeBindException` since it
extends a `WebExchangeBindException` with those methods

spring-integration-http/src/main/java/org/springframework/integration/http/support/IntegrationWebExchangeBindException.java

@@ -16,6 +16,8 @@
 
 package org.springframework.integration.http.support;
 
+import java.util.Objects;
+
 import org.springframework.validation.BindingResult;
 import org.springframework.validation.ObjectError;
 import org.springframework.web.bind.support.WebExchangeBindException;
@@ -62,4 +64,25 @@ public class IntegrationWebExchangeBindException extends WebExchangeBindExceptio
 		return sb.toString();
 	}
 
+	@Override
+	public boolean equals(Object o) {
+		if (this == o) {
+			return true;
+		}
+		if (!(o instanceof IntegrationWebExchangeBindException)) {
+			return false;
+		}
+		if (!super.equals(o)) {
+			return false;
+		}
+		IntegrationWebExchangeBindException that = (IntegrationWebExchangeBindException) o;
+		return Objects.equals(this.endpointId, that.endpointId) &&
+				Objects.equals(this.failedPayload, that.failedPayload);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(super.hashCode(), this.endpointId, this.failedPayload);
+	}
+
 }