add commandline option to disable preview during export

the weird use of type() is to avoid restructuring the code at this time. I will refactor this in a different pull request

1 files changed, 1 insertions, 0 deletions

diff --git a/src/core.py b/src/core.py
index 77b0894..1ad4a67 100644
--- a/src/core.py
+++ b/src/core.py
@@ -487,6 +487,7 @@ class Core:
             ],
             'logDir': os.path.join(dataDir, 'log'),
             'logEnabled': False,
+            'previewEnabled': True,
         }
 
         settings['videoFormats'] = toolkit.appendUppercase([