peptides PTM spectra count

Bug report

Dans la page PTM spectra : compte tous les spectres des peptides y compris ceux qui ne sont pas phosphorylés et donc du coup il reporte cette valeur qui est fausse dans la page PTM islands

Version of X!TandemPipeline

(Which version of X!TandemPipeline bug) version 0.4.2

Error message

(If an error message or a warning pop-up past-it here)

File used

(Copy the file path used when the bug occured)

20200715_20_Phos_Alfonsi_TEST

## Steps to reproduce (How one can reproduce the issue - very important)

What is the expected correct behavior?

(What you should see instead)

Le nombre de spectres comptés doit être uniquement le nombre de peptides phosphorylés

Optional

Relevant logs and/or screenshots

(Paste any relevant logs - please use code blocks (```) to format console output, logs, and code as it's very hard to read otherwise.)

Possible fixes

(If you can, link to the line of code that might be responsible for the problem)