fix: move ignoreWhitespacesInTokens to CanvasDrawer

Author: aminya

lib/minimap-element.js

@@ -311,7 +311,7 @@ class MinimapElement {
       }),
 
       atom.config.observe('minimap.ignoreWhitespacesInTokens', (ignoreWhitespacesInTokens) => {
-        this.ignoreWhitespacesInTokens = ignoreWhitespacesInTokens
+        this.CanvasDrawer.ignoreWhitespacesInTokens = ignoreWhitespacesInTokens
 
         if (this.attached) { this.requestForcedUpdate() }
       }),

lib/mixins/canvas-drawer.js

@@ -19,6 +19,7 @@ export default class CanvasDrawer {
     this.minimap = undefined
     // set by minimapElement
     this.displayCodeHighlights = undefined
+    this.ignoreWhitespacesInTokens = undefined
 
     /**
      * This MinimapElement's DOMStylesReader