Fix altenative providers support using the snapd version with the fix

we need to use the non-nop version of SanitizePlugsSlots as well for this to
work

go.mod

@@ -17,7 +17,7 @@ require github.com/ulikunitz/xz v0.5.10 // indirect
 
 require (
 	github.com/snapcore/secboot v0.0.0-20230623151406-4d331d24f830 // indirect
-	github.com/snapcore/snapd v0.0.0-20231013073308-d6406abbd09d
+	github.com/snapcore/snapd v0.0.0-20231116194835-79ec92d41431
 	github.com/xanzy/ssh-agent v0.3.0 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect

go.sum

@@ -113,6 +113,8 @@ github.com/snapcore/secboot v0.0.0-20230623151406-4d331d24f830/go.mod h1:72paVOk
 github.com/snapcore/snapd v0.0.0-20201005140838-501d14ac146e/go.mod h1:3xrn7QDDKymcE5VO2rgWEQ5ZAUGb9htfwlXnoel6Io8=
 github.com/snapcore/snapd v0.0.0-20231013073308-d6406abbd09d h1:S0Awi6wSKUXNV5cBllpnOdgqON3+MkDV0f0lnOtBxms=
 github.com/snapcore/snapd v0.0.0-20231013073308-d6406abbd09d/go.mod h1:M+wSEB8eBfffw7I69nDtilqKfbdkmCNbtXY1wMJV1v0=
+github.com/snapcore/snapd v0.0.0-20231116194835-79ec92d41431 h1:QalfTaOxPE/2hiaEl8z03MWbB6a56vN5Fx/uKkDmwuw=
+github.com/snapcore/snapd v0.0.0-20231116194835-79ec92d41431/go.mod h1:M+wSEB8eBfffw7I69nDtilqKfbdkmCNbtXY1wMJV1v0=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=

internal/statemachine/snap_states.go

@@ -7,6 +7,7 @@ import (
 	"path/filepath"
 
 	"github.com/snapcore/snapd/image"
+	"github.com/snapcore/snapd/interfaces/builtin"
 	"github.com/snapcore/snapd/seed/seedwriter"
 	"github.com/snapcore/snapd/snap"
 )
@@ -59,8 +60,8 @@ func (stateMachine *StateMachine) prepareImage() error {
 	customizations.Validation = stateMachine.commonFlags.Validation
 	imageOpts.Customizations = customizations
 
-	// plug/slot sanitization not used by snap image.Prepare, make it no-op.
-	snap.SanitizePlugsSlots = func(snapInfo *snap.Info) {}
+	// plug/slot sanitization needed by provider handling
+	snap.SanitizePlugsSlots = builtin.SanitizePlugsSlots
 
 	// image.Prepare automatically has some output that we only want for
 	// verbose or greater logging