Add sidebar header icon for "machine" category

resources/machines/fdmprinter.json

@@ -182,7 +182,7 @@
         "machine": {
             "label": "Machine",
             "visible": true,
-            "icon": "category_layer_height",
+            "icon": "category_machine",
             "settings": {
                 "machine_nozzle_size": {
                     "label": "Nozzle Diameter",

resources/themes/cura/icons/category_machine.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg width="19px" height="19px" viewBox="0 0 19 19" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sketch="http://www.bohemiancoding.com/sketch/ns">
+    <!-- Generator: Sketch 3.4.4 (17249) - http://www.bohemiancoding.com/sketch -->
+    <title>Fill 1 Copy 3</title>
+    <desc>Created with Sketch.</desc>
+    <defs></defs>
+    <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" sketch:type="MSPage">
+        <g id="HIG" sketch:type="MSArtboardGroup" transform="translate(-718.000000, -2432.000000)" fill="#000000">
+            <path d="M718,2432 L737,2432 L737,2432.90476 L718,2432.90476 L718,2432 L718,2432 Z M718,2450.09524 L719.737762,2450.09524 L721.464456,2449.19048 L733.599225,2449.19048 L735.296978,2450.09524 L737,2450.09524 L737,2451 L735.298343,2451 L733.599225,2450.09524 L721.463296,2450.09524 L719.737762,2450.99006 L718,2451 L718,2450.09524 L718,2450.09524 Z M736.136364,2432.90476 L737,2432.90476 L737,2450.09524 L736.136364,2450.09524 L736.136364,2432.90476 L736.136364,2432.90476 Z M718,2432.90476 L718.863636,2432.90476 L718.863636,2450.09524 L718,2450.09524 L718,2432.90476 L718,2432.90476 Z M720.590909,2434.71429 L734.409091,2434.71429 L734.409091,2447.38095 L720.590909,2447.38095 L720.590909,2434.71429 L720.590909,2434.71429 Z M721.454545,2435.61905 L733.545455,2435.61905 L733.545455,2446.47619 L721.454545,2446.47619 L721.454545,2435.61905 L721.454545,2435.61905 Z M725.772727,2435.61905 L729.227273,2435.61905 L729.227273,2438.33333 L725.772727,2438.33333 L725.772727,2435.61905 L725.772727,2435.61905 Z M723.181818,2445.57143 L731.818182,2445.57143 L731.818182,2446.47619 L723.181818,2446.47619 L723.181818,2445.57143 L723.181818,2445.57143 Z M726.636364,2438.33333 L728.363636,2438.33333 L728.363636,2439.2381 L726.636364,2439.2381 L726.636364,2438.33333 L726.636364,2438.33333 Z" id="Fill-1-Copy-3" sketch:type="MSShapeGroup"></path>
+        </g>
+    </g>
+</svg>