[MM-49989] Pass a context.Context to Client4 methods (#22922)

* Migrate all method in model/client4.go to accept a context.Context

* Fix th.*Client

* Fix remaining issues

* Empty commit to triger CI

* Fix test

* Add cancellation test

* Test that returned error is context.Canceled

* Fix bad merge

* Update mmctl code

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/cmd/mmctl/commands/ldap.go

@@ -4,6 +4,7 @@
 package commands
 
 import (
+	"context"
 	"net/http"
 
 	"github.com/spf13/cobra"
@@ -53,7 +54,7 @@ func ldapSyncCmdF(c client.Client, cmd *cobra.Command, args []string) error {
 
 	includeRemovedMembers, _ := cmd.Flags().GetBool("include-removed-members")
 
-	resp, err := c.SyncLdap(includeRemovedMembers)
+	resp, err := c.SyncLdap(context.TODO(), includeRemovedMembers)
 	if err != nil {
 		return err
 	}
@@ -69,7 +70,7 @@ func ldapSyncCmdF(c client.Client, cmd *cobra.Command, args []string) error {
 
 func ldapIDMigrateCmdF(c client.Client, cmd *cobra.Command, args []string) error {
 	toAttribute := args[0]
-	resp, err := c.MigrateIdLdap(toAttribute)
+	resp, err := c.MigrateIdLdap(context.TODO(), toAttribute)
 	if err != nil {
 		return err
 	}