frontend: allow substring searches in compare test view
frontend: allow substring searches in compare test view

When searching for project it is now possible to use substring from
project slug or name. Also group slug or name substring can be used.

Signed-off-by: Milosz Wasilewski <a39812e55748be210556797addcf4c064734f1bf@linaro.org>

terceiro/squad,terceiro/squad,terceiro/squad,terceiro/squad