Set default cable tension to 100%.

src/settings.cpp

@@ -26,7 +26,7 @@ math::Vec windowPos = math::Vec(NAN, NAN);
 bool invertZoom = false;
 float pixelRatio = 0.0;
 float cableOpacity = 0.5;
-float cableTension = 0.5;
+float cableTension = 1.0;
 float rackBrightness = 1.0;
 float haloBrightness = 0.25;
 bool allowCursorLock = true;