[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/logs_test.go

@@ -5,6 +5,7 @@ package commands
 
 import (
 	"bytes"
+	"context"
 	"fmt"
 	"io"
 	"os"
@@ -31,7 +32,7 @@ func (s *MmctlUnitTestSuite) TestLogsCmd() {
 
 		s.client.
 			EXPECT().
-			GetLogs(0, 1).
+			GetLogs(context.Background(), 0, 1).
 			Return(mockSingleLogLine, &model.Response{}, nil).
 			Times(1)
 
@@ -48,7 +49,7 @@ func (s *MmctlUnitTestSuite) TestLogsCmd() {
 
 		s.client.
 			EXPECT().
-			GetLogs(0, 0).
+			GetLogs(context.Background(), 0, 0).
 			Return(mockSingleLogLine, &model.Response{}, nil).
 			Times(1)
 
@@ -67,7 +68,7 @@ func (s *MmctlUnitTestSuite) TestLogsCmd() {
 
 		s.client.
 			EXPECT().
-			GetLogs(0, 1).
+			GetLogs(context.Background(), 0, 1).
 			Return(mockSingleLogLine, &model.Response{}, nil).
 			Times(1)