[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/extract.go

@@ -4,6 +4,7 @@
 package commands
 
 import (
+	"context"
 	"fmt"
 	"strconv"
 	"time"
@@ -80,7 +81,7 @@ func extractRunCmdF(c client.Client, command *cobra.Command, args []string) erro
 		to = model.GetMillis() / 1000
 	}
 
-	job, _, err := c.CreateJob(&model.Job{
+	job, _, err := c.CreateJob(context.TODO(), &model.Job{
 		Type: model.JobTypeExtractContent,
 		Data: map[string]string{
 			"from": strconv.FormatInt(from, 10),
@@ -97,7 +98,7 @@ func extractRunCmdF(c client.Client, command *cobra.Command, args []string) erro
 }
 
 func extractJobShowCmdF(c client.Client, command *cobra.Command, args []string) error {
-	job, _, err := c.GetJob(args[0])
+	job, _, err := c.GetJob(context.TODO(), args[0])
 	if err != nil {
 		return fmt.Errorf("failed to get content extraction job: %w", err)
 	}