Grayscale inaccessible albums
Closes #166 (closed)
This MR grayscales the albums that are inaccessible by the user.
Steps to use this feature
- Create some albums with different creation dates.
- Create an user with a membership, such that not all albums fall within the membership.
- Log in and go to the photos page
- Notice that the inaccessible albums are not clickable and are grayscaled.