S2TExportWithPausesAsLinebreaks
Corresponds to the checkbox "Export text with pauses as line breaks" on the Settings/Speech-to-text page:
1 or 3 - checked
other value - unchecked

Also controls whether the user's selection is made persistent:
2 or 3 - persistent
other value - transient
Possible values: 0, 1, 2, 3
Default value: 1