Fix metadata not clearing on project reset (#11095)

Resolves:
https://forum.audacityteam.org/t/how-do-i-turn-off-meta-data-editor/152816/4

Metadata was not cleared on project reset.

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- [x] I signed [CLA](https://www.audacityteam.org/cla/)
- [x] The title of the pull request describes an issue it addresses
- [x] If changes are extensive, then there is a sequence of easily
reviewable commits
- [x] Each commit's message describes its purpose and effects
- [x] There are no behavior changes unnecessary for the stated purpose
of the PR

Recommended:
- [x] Each commit compiles and runs on my machine without known
undesirable changes of behavior

QA:

- [ ] Testflow test cases have been run
- [ ] test case is described in:
https://forum.audacityteam.org/t/how-do-i-turn-off-meta-data-editor/152816/7

(cherry picked from commit 2cbd4c4)

Update changelog

chore: update the changelog

chore: update changelog

Bump alpha version to 2

fixed the url

Fix hebrew translation

Update translations

Update changelog

Update Finnish translation