Autofill harvest year to current year

[badnames]

The aim of this commit is to prefill the year input field in the seed creation dialog with the current year (As requested in #35).
This is accomplished by adding a new defaultValue prop to SimpleFormInput.

Basics

• Details of what you changed are in commit messages
  (first line should have module: short statement syntax)
• References to issues, e.g. close #X, are in the commit messages.
• The buildserver is happy.
• The PR is rebased with current master.

Checklist

• I added unit tests for my code
• I fully described what my PR does in the documentation
  (not in the PR description)
• I fixed all affected documentation
• I fixed all affected decisions
• I added code comments, logging, and assertions as appropriate
• I mentioned every code not directly written by me in reuse syntax

Review

• Documentation is conforming to our Documentation Guidelines
• Examples are well chosen and understandable
• Code is conforming to our Coding Guidelines
• Code is consistent to our Design Decisions

[buenaflor]

is useState needed?

[badnames]

No, its not. I was initially going to use it, but I forgot to remove it in the end.

[buenaflor]

Hm surprised this goes through the pre-commit hook. We have a linter setup that should execute when committing, I'll have to take a look at it.

[buenaflor]

left 1 comment but lgtm

[markus2330]

Great to see the continuation of the work for the seed milestone. We are so much looking forward to it! 🚀

@buenaflor thank you so much for reviewing! ❤️

Is this rebased to current master? The deployment does seem not work? (According to Jenkins log and also https://pr.permaplant.net/seeds/new doesn't seem to have the auto-fill feature?)

[badnames]

Is this rebased to current master? The deployment does seem not work? (According to Jenkins log and also
https://pr.permaplant.net/seeds/new doesn't seem to have the auto-fill feature?)

I think so....
GitHub shows a green tick mark, so I assumed that it is ready to merge.

[markus2330]

LGTM, on dev.permaplant.net it now shows the current year.

@badnames please don't self-merge unless there is an emergency etc. It is better if someone else merges. We also want two reviews per PR, so that everyone learns most parts of PermaplanT.

@buenaflor thank you for looking into it, please write your finding about linter in #98.