fix: set min_nav_altitude during export operator to 0.1m to allow the…

… drones to turn off their motors earlier during a staged landing

src/modules/sbstudio/plugin/operators/base.py

@@ -144,6 +144,7 @@ def execute(self, context):
         settings = {
             "export_selected": self.export_selected,
             "frame_range": self.frame_range,
+            "min_nav_altitude": 0.1,  # TODO(ntamas): should be configurable
             **self.get_settings(),
         }