Plugin groups (#30320)

* add new pluginapi methods

* SAML login hook

* set ReAddRemovedMembers to true for plugin groups

* change to DoLogin signature for SAML

webapp/platform/client/src/client4.ts

@@ -3713,14 +3713,14 @@ export default class Client4 {
         );
     };
 
-    getGroupsNotAssociatedToTeam = (teamID: string, q = '', page = 0, perPage = PER_PAGE_DEFAULT, source = 'ldap') => {
+    getGroupsNotAssociatedToTeam = (teamID: string, q = '', page = 0, perPage = PER_PAGE_DEFAULT, source = 'ldap', onlySyncableSources = false) => {
         return this.doFetch<Group[]>(
-            `${this.getGroupsRoute()}${buildQueryString({not_associated_to_team: teamID, page, per_page: perPage, q, include_member_count: true, group_source: source})}`,
+            `${this.getGroupsRoute()}${buildQueryString({not_associated_to_team: teamID, page, per_page: perPage, q, include_member_count: true, group_source: source, only_syncable_sources: onlySyncableSources})}`,
             {method: 'get'},
         );
     };
 
-    getGroupsNotAssociatedToChannel = (channelID: string, q = '', page = 0, perPage = PER_PAGE_DEFAULT, filterParentTeamPermitted = false, source = 'ldap') => {
+    getGroupsNotAssociatedToChannel = (channelID: string, q = '', page = 0, perPage = PER_PAGE_DEFAULT, filterParentTeamPermitted = false, source = 'ldap', onlySyncableSources = false) => {
         const query = {
             not_associated_to_channel: channelID,
             page,
@@ -3729,6 +3729,7 @@ export default class Client4 {
             include_member_count: true,
             filter_parent_team_permitted: filterParentTeamPermitted,
             group_source: source,
+            only_syncable_sources: onlySyncableSources,
         };
         return this.doFetch<Group[]>(
             `${this.getGroupsRoute()}${buildQueryString(query)}`,