Load button file input should only accept specific file extensions. Update...

Load button file input should only accept specific file extensions. Update load button to use new revamped loadProject function from VM. Loading a project via load button should clear the url hash (without triggering a reload or the project-loader-hoc).

src/components/load-button/load-button.jsx

@@ -25,6 +25,7 @@ const LoadButtonComponent = ({
                 {title}
             </ButtonComponent>
             <input
+                accept=".sb,.sb2,.sb3,.zip"
                 disabled
                 className={styles.fileInput}
                 ref={inputRef}

src/containers/load-button.jsx

@@ -25,8 +25,10 @@ class LoadButton extends React.Component {
     }
     handleChange (e) {
         this.props.openLoadingState();
+        // Remove the hash if any (without triggering a hash change event or a reload)
+        history.replaceState({}, document.title, '.');
         const reader = new FileReader();
-        reader.onload = () => this.props.vm.loadProjectLocal(reader.result)
+        reader.onload = () => this.props.vm.loadProject(reader.result)
             .then(() => {
                 this.props.closeLoadingState();
             })
@@ -64,7 +66,7 @@ LoadButton.propTypes = {
     closeLoadingState: PropTypes.func,
     openLoadingState: PropTypes.func,
     vm: PropTypes.shape({
-        loadProjectLocal: PropTypes.func
+        loadProject: PropTypes.func
     })
 };