Update the Support Eraser icon size

plugins/SupportEraser/tool_icon.svg

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<svg width="28px" height="28px" viewBox="0 0 28 28" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg width="30px" height="30px" viewBox="0 0 28 28" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
     <!-- Generator: Sketch 57.1 (83088) - https://sketch.com -->
     <title>support_blocker</title>
     <desc>Created with Sketch.</desc>