fix: set the initial value of the config values

Author: aminya

lib/mixins/canvas-drawer.js

@@ -18,8 +18,8 @@ export default class CanvasDrawer {
     // set in setModel of minimapElement
     this.minimap = undefined
     // set by minimapElement
-    this.displayCodeHighlights = undefined
-    this.ignoreWhitespacesInTokens = undefined
+    this.displayCodeHighlights = atom.config.get('minimap.displayCodeHighlights')
+    this.ignoreWhitespacesInTokens = atom.config.get('minimap.ignoreWhitespacesInTokens')
 
     /**
      * This MinimapElement's DOMStylesReader