Fixed #12647: fix translation and adds icon on property reassignable

[floschoepfer]

Description

Fixes #12647
On the individual license pages, the property Reassignable is not translated and the icon (red cross or green checkmark) is missing.

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Not tested.

Checklist:

• I have read the Contributing documentation available here: https://snipe-it.readme.io/docs/contributing-overview
• I have formatted this PR according to the project guidelines: https://snipe-it.readme.io/docs/contributing-overview#pull-request-guidelines
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[welcome]

💖 Thanks for this pull request! 💖

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• Fixed #<issue number>: don't overwrite prevent_default if default wasn't prevented
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[what-the-diff]

• Changed the reassignable field to use icons instead of text.

[snipe]

Nice fix, thank you!

[welcome]

Congrats on merging your first pull request! 🎉🎉🎉