Fix typo stop_showing_hidden in hebrew

[jheld]

What is it?

• [x] Bugfix
• [ ] Feature
• [ ] Codebase improvement

Description of the changes in your PR

• Update strings
  • the typo was trivial but lead to a very incorrect meaning of the behavior for the string

Before/After Screenshots/Screen Record

• Before:
• After:

Fixes the following issue(s)

• Fixes FossifyOrg/

Relies on the following changes

Acknowledgement

• [x] I read the contribution guidelines.