fix(docker): add docker desktop extension flag in settings and add migration EE-5277 (#8948)

api/http/handler/settings/settings_public.go

@@ -49,6 +49,8 @@ type publicSettingsResponse struct {
 		// The check in interval for edge agent (in seconds) - used in non async mode [seconds]
 		CheckinInterval int `example:"60"`
 	}
+
+	IsDockerDesktopExtention bool `json:"IsDockerDesktopExtention" example:"false"`
 }
 
 // @id SettingsPublic
@@ -89,6 +91,8 @@ func generatePublicSettings(appSettings *portainer.Settings) *publicSettingsResp
 	publicSettings.Edge.CommandInterval = appSettings.Edge.CommandInterval
 	publicSettings.Edge.CheckinInterval = appSettings.EdgeAgentCheckinInterval
 
+	publicSettings.IsDockerDesktopExtention = appSettings.IsDockerDesktopExtention
+
 	//if OAuth authentication is on, compose the related fields from application settings
 	if publicSettings.AuthenticationMethod == portainer.AuthenticationOAuth {
 		publicSettings.OAuthLogoutURI = appSettings.OAuthSettings.LogoutURI