[#91106] ti_dac38j8x_eyescan: Fix legend position

Author: p-woj

protoplaster/tests/dac/ti_dac38j8x_eyescan/eye_diagram.html

@@ -75,7 +75,7 @@ <h2>Eye diagram</h2>
 // Y Axis label
 ctx.textBaseline = "top";
 ctx.rotate(-Math.PI / 2);
-ctx.fillText("Voltage Offset (mV)", - ctx.canvas.width / 2, 10);
+ctx.fillText("Voltage Offset (mV)", -ctx.canvas.height / 2, 10);
 ctx.rotate(Math.PI / 2);
 
 // X Axis label