(feat): Improve labelling code clarity

internal/layer/label.go

@@ -40,13 +40,14 @@ func (fdl *LabelDeviceLayer) Modify(c *config.Config) ([]action.Action, error) {
 			return nil, fmt.Errorf("🔴 %s: Can not label a device with no file system", bd.Name)
 		}
 		mode := c.GetMode(name)
-		a, err := fdl.deviceBackend.Label(bd, cd.Label)
+		// Labelling a device can potentially require unmounting it first
+		// Therefore, multiple actions may be returned: Label Actions (las)
+		las, err := fdl.deviceBackend.Label(bd, cd.Label)
 		if err != nil {
 			return nil, err
 		}
-		for i := range a {
-			a[i] = a[i].SetMode(mode)
-			actions = append(actions, a[i])
+		for _, la := range las {
+			actions = append(actions, la.SetMode(mode))
 		}
 	}
 	return actions, nil