File name truncation broken

[kulmann]

Describe the bug

Tiles view file names should be truncated if there isn't a sufficient amount of space.
Edit: list view is also affected.

Steps to reproduce

1. Create a file or folder with a lengthy name, e.g. test asdf 1234 qwertz trololo wololo
2. Play around with tile size and/or browser window size until the tile doesn't fit the whole name anymore

Expected behavior

The file/folder name should be truncated with ellipsis at the end (...)

Actual behavior

The file/folder name just get cut off.