MM-38674 - AB test for first guided channel creation (#18885)

* MM-38674 - AB test for first guided channel creation

* set default value for the guided creation as false

Co-authored-by: Pablo Velez Vidal <pablo.velez@mattermost.com>

model/feature_flags.go

@@ -62,6 +62,9 @@ type FeatureFlags struct {
 	// A/B test for the add members to channel button, possible values = ("top", "bottom")
 	AddMembersToChannel string
 
+	// Enable Create First Channel
+	GuidedChannelCreation bool
+
 	// Determine after which duration in hours to send a second invitation to someone that didn't join after the initial invite, possible values = ("48", "72")
 	ResendInviteEmailInterval string
 
@@ -88,6 +91,7 @@ func (f *FeatureFlags) SetDefaults() {
 	f.AutoTour = "none"
 	f.BoardsFeatureFlags = ""
 	f.AddMembersToChannel = "top"
+	f.GuidedChannelCreation = false
 	f.ResendInviteEmailInterval = ""
 	f.InviteToTeam = "none"
 }