#MM-12130 changes for custom service terms (#9450)

* #MM-12130 changes for custom service terms

* Fixed styling

* Added getServiceTerms API

* removed unnecessary panic

* removed custom service terms text from flat config

* reverted user sql store as those changes are no longer needed

* added tests

* Updated a config key to be more standard

* Added copyright info

* Loading service terms only if the feature is enabled

* Loading service terms only if the feature is enabled

* removed unused index

* added createservice termns API

* made a param to bool instead of string

* added createservice termns API

* review fixes

* fixed styling

* Minor refactoring

* removed saveConfig and loadConfig magic

* added empty service terms text check to createServiceTerms API

* refactoed some urls to be terms_of_service instead of service_terms

* removed check for support settings

* changed URLs in tests

* removed unused code

* fixed a bug

* added service termd id in conif

* fixed a test

* review fixes

* minor fixes

* Fixed TestCreateServiceTerms

store/sqlstore/supplier.go

@@ -92,6 +92,7 @@ type SqlSupplierOldStores struct {
 	channelMemberHistory store.ChannelMemberHistoryStore
 	role                 store.RoleStore
 	scheme               store.SchemeStore
+	serviceTerms         store.ServiceTermsStore
 }
 
 type SqlSupplier struct {
@@ -145,6 +146,7 @@ func NewSqlSupplier(settings model.SqlSettings, metrics einterfaces.MetricsInter
 	supplier.oldStores.userAccessToken = NewSqlUserAccessTokenStore(supplier)
 	supplier.oldStores.channelMemberHistory = NewSqlChannelMemberHistoryStore(supplier)
 	supplier.oldStores.plugin = NewSqlPluginStore(supplier)
+	supplier.oldStores.serviceTerms = NewSqlTermStore(supplier, metrics)
 
 	initSqlSupplierReactions(supplier)
 	initSqlSupplierRoles(supplier)
@@ -180,6 +182,7 @@ func NewSqlSupplier(settings model.SqlSettings, metrics einterfaces.MetricsInter
 	supplier.oldStores.job.(*SqlJobStore).CreateIndexesIfNotExists()
 	supplier.oldStores.userAccessToken.(*SqlUserAccessTokenStore).CreateIndexesIfNotExists()
 	supplier.oldStores.plugin.(*SqlPluginStore).CreateIndexesIfNotExists()
+	supplier.oldStores.serviceTerms.(SqlServiceTermsStore).CreateIndexesIfNotExists()
 
 	supplier.oldStores.preference.(*SqlPreferenceStore).DeleteUnusedFeatures()
 
@@ -961,6 +964,10 @@ func (ss *SqlSupplier) Role() store.RoleStore {
 	return ss.oldStores.role
 }
 
+func (ss *SqlSupplier) ServiceTerms() store.ServiceTermsStore {
+	return ss.oldStores.serviceTerms
+}
+
 func (ss *SqlSupplier) Scheme() store.SchemeStore {
 	return ss.oldStores.scheme
 }