Fixes JabRef#12844

* Fix for trag-bot comments.

Author: UdayHE

src/main/java/org/jabref/logic/search/PostgresMetadataWriter.java

@@ -25,12 +25,11 @@ public static Path getMetadataFilePath() {
 
     public static void write(int port) {
         try {
-            Map<String, Object> meta = createMetadata(port);
             Path path = getMetadataFilePath();
-            OBJECT_MAPPER.writerWithDefaultPrettyPrinter().writeValue(path.toFile(), meta);
+            OBJECT_MAPPER.writerWithDefaultPrettyPrinter().writeValue(path.toFile(), createMetadata(port));
             LOGGER.info("Postgres metadata file path: {}", path);
         } catch (IOException e) {
-            LOGGER.warn("Failed to write Postgres metadata file", e);
+            LOGGER.warn("Failed to write Postgres metadata file.", e);
         }
     }