Icon size depends on title length

1. install Nuxeo
2. install Web UI
3. create a custom document type
4. add an icon to it
5. sync the project server-side
6. create several documents with different title lengths (don't forget to add some spaces)
7. leave all fields empty in the search form and click Search
8. observe the title lines are wrapped and the icon sizes are not homogeneous (see standardSearchResult.png)

Expected result: Icons of a document type should all have the same size in the results table.
Note: it seems the longer the title the smaller the icon.