MM-57013 Added download button for downloading logs from server logs page in system console (#26389)

* added download system logs

* download all logs

* download all logs check-lint fix

* check lint fix

* download logs api

* download logs api working

* download logs working with error log

* linting issues and code cleanup

* CI check fix

* documented the api and logs from file with error handling

* test and final changes done

* final changes done

* Fix order of server-side translations

* Fix incorrect indentation of logs.yaml

---------

Co-authored-by: Harrison Healey <harrisonmhealey@gmail.com>

server/channels/app/support_packet.go

@@ -44,7 +44,7 @@ func (a *App) GenerateSupportPacket(c request.CTX, options *model.SupportPacketO
 	}
 
 	if options.IncludeLogs {
-		functions["mattermost log"] = a.getMattermostLog
+		functions["mattermost log"] = a.GetMattermostLog
 		functions["notification log"] = a.getNotificationsLog
 	}
 
@@ -321,7 +321,7 @@ func (a *App) getNotificationsLog(_ request.CTX) (*model.FileData, error) {
 	return fileData, nil
 }
 
-func (a *App) getMattermostLog(_ request.CTX) (*model.FileData, error) {
+func (a *App) GetMattermostLog(ctx request.CTX) (*model.FileData, error) {
 	if !*a.Config().LogSettings.EnableFile {
 		return nil, errors.New("Unable to retrieve mattermost.log because LogSettings: EnableFile is set to false")
 	}