fix: Stop Back Action at audiofolder root level

[pabera]

This also allows to go back when folder is empty

Fixes #2224

[coveralls]

Pull Request Test Coverage Report for Build 8306281069

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

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Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 38.336%

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Totals
Change from base Build 7975917028:	0.0%
Covered Lines:	493
Relevant Lines:	1286

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💛 - Coveralls