Made some changes to the pi main file to not put in undefined if there is no previous settings. Rebuilt the linux plugin

Author: koltenfluckiger

Sources/pi/js/main.js

@@ -40,7 +40,7 @@ function connectElgatoStreamDeckSocket(port, pluginUUID, registerEvent, inInfo,
 
         filelocation.value = settings.filelocation;
         filelocation.textContent = settings.filelocation;
-        arguments.value = settings.arguments;
+        arguments.value = settings.arguments ? settings.arguments : "";
         returnflag.checked = settings.returnflag;
 
       } catch (err) {