change search for diseases and cause of death to work the same as phenotypic features

[BethSundberg]

The phenotypic features search has been updated to make sure the term entered shows up in the first 10 terms. The rest of the ten are sorted by ontology ID.

Make the disease search and cause of death search work the same way.

[belkassaby]

I m sorting by length first then by alphabetical order : that should fix the issue and agnosia/ hypertension and other searched terms will always come first if by themselves

[BethSundberg]

It is working much better now on dev