Move playbooks to plugin (#23732)

* Remove build references

* Remove playbooks webapp and server, and add the prepackaged plugin

* Remove translations

* Add ProductSettings to the playwright type

* Restore playbooks as a prepackaged plugin for cypress e2e tests

server/public/model/config.go

@@ -2864,13 +2864,9 @@ func (s *CloudSettings) SetDefaults() {
 }
 
 type ProductSettings struct {
-	EnablePlaybooks *bool
 }
 
 func (s *ProductSettings) SetDefaults() {
-	if s.EnablePlaybooks == nil {
-		s.EnablePlaybooks = NewBool(true)
-	}
 }
 
 type PluginState struct {
@@ -2938,6 +2934,11 @@ func (s *PluginSettings) SetDefaults(ls LogSettings) {
 		s.PluginStates[PluginIdCalls] = &PluginState{Enable: true}
 	}
 
+	if s.PluginStates[PluginIdPlaybooks] == nil {
+		// Enable the playbooks plugin by default
+		s.PluginStates[PluginIdPlaybooks] = &PluginState{Enable: true}
+	}
+
 	if s.EnableMarketplace == nil {
 		s.EnableMarketplace = NewBool(PluginSettingsDefaultEnableMarketplace)
 	}

server/public/plugin/environment.go

@@ -104,7 +104,6 @@ func scanSearchPath(path string) ([]*model.BundleInfo, error) {
 }
 
 var pluginIDBlocklist = map[string]bool{
-	"playbooks": true,
 	"com.mattermost.plugin-incident-response":   true,
 	"com.mattermost.plugin-incident-management": true,
 }