Input system's seat link is now being updated on change

koptilnya/input_system/sv_input.txt

@@ -104,13 +104,18 @@ function Input:initialize(options)
 
     self:_setupAxles(axles)
 
-    self.seat = wire.ports.Seat
+    self:updateSeat()
+
     self.driver = self:getDriver()
 
     -- in case chip was reset
     self:_syncDriver(self.driver)
 end
 
+function Input:updateSeat()
+    self.seat = wire.ports.Seat or NULL_ENTITY
+end
+
 function Input:getDriver()
     if self.seat == nil or self.seat:isValid() == false then
         return NULL_ENTITY