Add required attribute to input file

[ProvaTeams]

When submitting a form without a file now, the program returns different types of errors.
To correct this problem you can put the required attribute in fragments/common.html to avoid unnecessary requests to the API

[sbplat]

Would you like to work on this?

[ProvaTeams]

I'm going to try, it's my first pull request

[sbplat]

I've assigned this issue to you! If you have any questions, please feel free to ask.

[mannam11]

@ProvaTeams do you have any screenshots or anything for better understanding on this issue

[ProvaTeams]

Those are 2 different error on Split and Crop pages

The possible solution would be something like this:

[mannam11]

@sbplat I have fixed this issue. can you please review my PR.

[sbplat]

Hi @mannam11! I appreciate your eagerness to work on issues, but could you request for the issue to be assigned to you before working on it? @ProvaTeams was assigned to this issue and has already opened a PR.

[mannam11]

I didn’t see any PR tagging to this issue so I opened a PR.
@sbplat How can I get this assigned to me..?

[sbplat]

I didn’t see any PR tagging to this issue so I opened a PR.

The assignees list is on the right column.

@sbplat How can I get this assigned to me..?

Just ask! If nobody is already working on the issue, we will assign it to you.

[mannam11]

Thanks for the information @sbplat