There's a closed pull request on the void-packages repository

pipewire: assure rw permissions in run directories in case its missing
https://github.com/void-linux/void-packages/pull/38376

Description:
Sometimes `/run/pulse` has `rwx------` permission somehow due to old pulseaudio package if installed.

This was causing `pactl info` return

```
Connection failure: Connection refused
pa_context_connect() failed: Connection refused
```

and applets showing `No audio devices`...

Because users in group `_pipewire` were not able to read/open the directory.  This PR would ensure that it has 755 permissions if the directory already exists and not readable by `_pipewire` group.


#### Testing the changes
- I tested the changes in this PR: **YES**