fix(Config loading/saving & Application Properties): Improve config loading and saving. Fix the directories to include in server pack setting by loading the correct settings with from a corrected property. Delete you `serverpackcreator.properties`-file to

fix(Config loading/saving & Application Properties): Improve config loading and saving. Fix the directories to include in server pack setting by loading the correct settings with from a corrected property. Delete you serverpackcreator.properties-file to generate a new one.

backend/main/java/de/griefed/serverpackcreator/spring/zip/ZipController.java

@@ -162,7 +162,7 @@ public class ZipController {
     if (clientMods.length() == 0) {
       clientMods =
           UTILITIES.StringUtils()
-              .buildString(APPLICATIONPROPERTIES.getListFallbackMods().toString());
+              .buildString(APPLICATIONPROPERTIES.getListFallbackMods());
     }
 
     return ResponseEntity.ok()