fix hideSource

Author: Bjvanminnen

apps/src/applab/AppLabView.jsx

@@ -12,7 +12,6 @@ var InstructionsWithWorkspace = require('../templates/instructions/InstructionsW
 var AppLabView = React.createClass({
   propTypes: {
     isEditingProject: React.PropTypes.bool.isRequired,
-    hideSource: React.PropTypes.bool.isRequired,
 
     screenIds: React.PropTypes.arrayOf(React.PropTypes.string).isRequired,
     onScreenCreate: React.PropTypes.func.isRequired,

apps/src/templates/instructions/InstructionsWithWorkspace.jsx

@@ -174,6 +174,7 @@ var InstructionsWithWorkspace = React.createClass({
 
 module.exports = connect(function propsFromStore(state) {
   return {
+    hideSource: state.pageConstants.hideSource,
     showInstructions: state.pageConstants.instructionsInTopPane && !!state.pageConstants.instructionsMarkdown,
     instructionsCollapsed: state.instructions.collapsed || !state.pageConstants.instructionsInTopPane,
     instructionsHeight: state.instructions.height,