fix(dracut-install): fix declaration hides variable

[LaszloGombos]

Resolve https://github.com/dracutdevs/dracut/security/code-scanning/12 introduced by 3ad12c7

Resolve https://github.com/dracutdevs/dracut/security/code-scanning/13 introduced by 3ad12c7

Resolve https://github.com/dracutdevs/dracut/security/code-scanning/14 introduced by 3ad12c7

Resolve https://github.com/dracutdevs/dracut/security/code-scanning/15 introduced by 95aeed8

Fixes# #2228 (partial)

[LaszloGombos]

CC @nabijaczleweli to help with reviews in case there is interest

[stale]

This issue is being marked as stale because it has not had any recent activity. It will be closed if no further activity occurs. If this is still an issue in the latest release of Dracut and you would like to keep it open please comment on this issue within the next 7 days. Thank you for your contributions.

[stale]

This issue is being marked as stale because it has not had any recent activity. It will be closed if no further activity occurs. If this is still an issue in the latest release of Dracut and you would like to keep it open please comment on this issue within the next 7 days. Thank you for your contributions.

[stale]

This issue is being marked as stale because it has not had any recent activity. It will be closed if no further activity occurs. If this is still an issue in the latest release of Dracut and you would like to keep it open please comment on this issue within the next 7 days. Thank you for your contributions.