machines: Replace link-button class with proper inline buttons links from PF4
machines: Replace link-button class with proper inline buttons links from PF4

The link-button class was not properly supporting disabled button links.

moraleslazaro/cockpit,deryni/cockpit,martinpitt/cockpit,martinpitt/cockpit,martinpitt/cockpit,cockpituous/cockpit,cockpit-project/cockpit,deryni/cockpit,martinpitt/cockpit,cockpit-project/cockpit,cockpit-project/cockpit,martinpitt/cockpit,deryni/cockpit,mvollmer/cockpit,mvollmer/cockpit,deryni/cockpit,garrett/cockpit,cockpit-project/cockpit,deryni/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,mvollmer/cockpit,garrett/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,cockpituous/cockpit,deryni/cockpit,garrett/cockpit,garrett/cockpit,moraleslazaro/cockpit,garrett/cockpit,mvollmer/cockpit,cockpit-project/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,deryni/cockpit