packagekit: Standardize LESS indentation to 4 spaces
packagekit: Standardize LESS indentation to 4 spaces

As per guidelines
https://cockpit-project.org/external/wiki/Cockpit-Coding-Guidelines

SotolitoLabs/cockpit,andreasn/cockpit,cockpituous/cockpit,SotolitoLabs/cockpit,deryni/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,SotolitoLabs/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,martinpitt/cockpit,deryni/cockpit,SotolitoLabs/cockpit,cockpit-project/cockpit,martinpitt/cockpit,SotolitoLabs/cockpit,martinpitt/cockpit,cockpit-project/cockpit,cockpit-project/cockpit,garrett/cockpit,andreasn/cockpit,cockpituous/cockpit,mvollmer/cockpit,SotolitoLabs/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,andreasn/cockpit,garrett/cockpit,mvollmer/cockpit,mareklibra/cockpit,martinpitt/cockpit,cockpit-project/cockpit,andreasn/cockpit,mvollmer/cockpit,mareklibra/cockpit,mvollmer/cockpit,deryni/cockpit,mareklibra/cockpit,mareklibra/cockpit,andreasn/cockpit,garrett/cockpit,moraleslazaro/cockpit,mareklibra/cockpit,garrett/cockpit,deryni/cockpit,cockpit-project/cockpit,cockpituous/cockpit,mareklibra/cockpit,mareklibra/cockpit,andreasn/cockpit,andreasn/cockpit,garrett/cockpit,mvollmer/cockpit,deryni/cockpit,deryni/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,deryni/cockpit,cockpituous/cockpit,SotolitoLabs/cockpit,moraleslazaro/cockpit