When a boolean preference is read, using the Lua API, it's created, if it doesn't exist, with a NULL value. This leads to an implicit meaning of false. This should be an explicit false so that we don't encounter another problem like https://github.com/darktable-org/darktable/issues/15280
When a boolean preference is read, using the Lua API, it's created, if it doesn't exist, with a NULL value. This leads to an implicit meaning of false. This should be an explicit false so that we don't encounter another problem like https://github.com/darktable-org/darktable/issues/15280