HTTPCLIENT-2299: Socket timeout value set via DefaultManagedHttpClien…

…tConnection#setSocketTimeout is not correctly persisted and can be overwritten upon connection activation

httpclient5/src/main/java/org/apache/hc/client5/http/impl/io/DefaultManagedHttpClientConnection.java

@@ -165,6 +165,7 @@ public void setSocketTimeout(final Timeout timeout) {
             LOG.debug("{} set socket timeout to {}", this.id, timeout);
         }
         super.setSocketTimeout(timeout);
+        socketTimeout = timeout;
     }
 
     @Override