This bugfix restores the Ctrl+E filter matching as it was in 4.6
- excludes files extensions when matching, but matches *.java
- selects by default the first matched item
- skips dirty editors prefix (*)

Change-Id: I2a848fdb211bc960f8aa713131c4ddd3fcdc137a
Signed-off-by: Patrik Suzzi <psuzzi@gmail.com>