Fix incorrect path for reference data feeds in worker services on AWS

on production environments, the target directory for the reference data feeds
in the production docker file for worker container service was incorrect.

There was an error in the logs:

```
> docker --tlsverify -H=x.x.x.x:2376 exec rija-gigadb-website_fuw-worker_1 bash -c "journalctl -xn"
-- Logs begin at Thu 2020-08-13 09:52:46 UTC, end at Thu 2020-08-13 11:05:28 UTC. --
Aug 13 11:05:28 b5538c73b3d8 php[21]: gigascience#13 /app/vendor/yiisoft/yii2/base/Controller.php(180): yii\base\InlineAction->runWithParams(Array)
Aug 13 11:05:28 b5538c73b3d8 php[21]: gigascience#14 /app/vendor/yiisoft/yii2/console/Controller.php(179): yii\base\Controller->runAction('exec', Array)
Aug 13 11:05:28 b5538c73b3d8 php[21]: gigascience#15 /app/vendor/yiisoft/yii2/base/Module.php(528): yii\console\Controller->runAction('exec', Array)
Aug 13 11:05:28 b5538c73b3d8 php[21]: gigascience#16 /app/vendor/yiisoft/yii2/console/Application.php(180): yii\base\Module->runAction('queue/exec', Array)
Aug 13 11:05:28 b5538c73b3d8 php[21]: gigascience#17 /app/vendor/yiisoft/yii2/console/Application.php(147): yii\console\Application->runAction('queue/exec', Array)
Aug 13 11:05:28 b5538c73b3d8 php[21]: gigascience#18 /app/vendor/yiisoft/yii2/base/Application.php(386): yii\console\Application->handleRequest(Object(yii\console\Request))
Aug 13 11:05:28 b5538c73b3d8 php[21]: gigascience#19 /app/yii(23): yii\base\Application->run()
Aug 13 11:05:28 b5538c73b3d8 php[21]: gigascience#20 {main}.
Aug 13 11:05:28 b5538c73b3d8 php[21]: 2020-08-13 11:05:28 [3] backend\models\MoveJob (attempt: 1, pid: 21) - Error (0.023 s)
Aug 13 11:05:28 b5538c73b3d8 php[21]: > yii\base\ErrorException: file_get_contents(/var/www/files/data/filetypes.json): failed to open stream: No such file or directory
```

fuw/app/console/Production-Worker-Dockerfile

@@ -264,7 +264,7 @@ RUN chmod 700 /root/configurator.sh /root/configurator_dumpenv.sh && \
         systemctl enable configurator.service configurator_dumpenv.service yii-queue@1 yii-queue@2
 
 COPY . /app/
-COPY fileformats.json filetypes.json /var/www/files/
+COPY fileformats.json filetypes.json /var/www/files/data/
 COPY UpdateGigaDBJob.php /gigadb-apps/worker/file-worker/models/
 WORKDIR /app
 

ops/packaging/Production-Worker-Dockerfile

@@ -259,7 +259,7 @@ RUN mkdir -p /etc/container-boot.d && \
 
 COPY fuw/app/common/models/Upload.php /app/common/models/
 COPY gigadb/app/worker/file-worker /gigadb-apps/worker/file-worker/
-COPY files/data/fileformats.json files/data/filetypes.json /var/www/files/
+COPY files/data/fileformats.json files/data/filetypes.json /var/www/files/data/
 
 
 # run stuff