webui2: hide quality information

Signed-off-by: Richard Marko <rmarko@fedoraproject.org>
webui2: fix width of the 2nd column of the metric table

Signed-off-by: Richard Marko <rmarko@fedoraproject.org>
webui2: truncate very long crash function names

Signed-off-by: Richard Marko <rmarko@fedoraproject.org>