Journal prediction should flag relevance

[ardunn]

There is no relevance warning for nonsense journal predictions:

The analysis on "Not a real abstract" is:

[['Mathematical and Computer Modelling', 0.7567519545555115], ['Biometric Technology Today', 0.7155683636665344], ['Journal of Materials Science Letters', 0.7097627520561218], ['Applied Mathematics and Computation', 0.6746547222137451], ['IFAC-PapersOnLine', 0.6410911083221436], ['Annual Reviews in Control', 0.6306076049804688], ['Oral Oncology Extra', 0.6169986128807068], ['Engineering Applications of Artificial Intelligence', 0.6154762506484985], ['Computers in Industry', 0.6138418912887573], ['European Journal of Control', 0.6119754910469055]]

No relevance field is found.

Once the backend has this working, should take ~5min on the frontend