Properly convert color the 2nd

Signed-off-by: Julius Härtl <jus@bitgrid.net>

src/view/FilesAppIntegration.js

@@ -275,8 +275,9 @@ export default {
 		const userId = (view.UserId === '') ? view.UserName : view.UserId
 		var avatarContainer = $('<div class="richdocuments-avatar"><div class="avatar" title="' + view.UserName + '" data-user="' + userId + '"></div></div>')
 		var avatar = avatarContainer.find('.avatar')
+
 		avatar.css({
-			'border-color': Number(view.Color).toString(16),
+			'border-color': '#' + ('000000' + Number(view.Color).toString(16)).substr(-6),
 			'border-width': '2px',
 			'border-style': 'solid'
 		})