[MM-62888] mmctl: Add compliance export list cmd (#30914)

* Add compliance export list cmd and tests

- Introduced `ListComplianceExports` method in the Client interface to retrieve compliance export jobs.
- Added `compliance_export` command with subcommand `list` for listing compliance export jobs, including pagination options.
- Implemented end-to-end and unit tests for the compliance export listing functionality.

* Add docs for mmctl

* fix test typo

* added paging, tested

* update docs with better desc (how it's sorted)

* simplified, reusing job call

* add show cmd, unit tests, e2e tests

* update mmctl docs

server/cmd/mmctl/commands/compliance_export.go

@@ -0,0 +1,60 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package commands
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/mattermost/mattermost/server/v8/cmd/mmctl/client"
+	"github.com/spf13/cobra"
+)
+
+var ComplianceExportCmd = &cobra.Command{
+	Use:   "compliance_export",
+	Short: "Management of compliance exports",
+}
+
+var ComplianceExportListCmd = &cobra.Command{
+	Use:     "list",
+	Aliases: []string{"ls"},
+	Short:   "List compliance export jobs, sorted by creation date descending (newest first)",
+	Args:    cobra.NoArgs,
+	RunE:    withClient(complianceExportListCmdF),
+}
+
+var ComplianceExportShowCmd = &cobra.Command{
+	Use:     "show [complianceExportJobID]",
+	Example: "  compliance_export show o98rj3ur83dp5dppfyk5yk6osy",
+	Short:   "Show compliance export job",
+	Args:    cobra.ExactArgs(1),
+	RunE:    withClient(complianceExportShowCmdF),
+}
+
+func init() {
+	ComplianceExportListCmd.Flags().Int("page", 0, "Page number to fetch for the list of compliance export jobs")
+	ComplianceExportListCmd.Flags().Int("per-page", DefaultPageSize, "Number of compliance export jobs to be fetched")
+	ComplianceExportListCmd.Flags().Bool("all", false, "Fetch all compliance export jobs. --page flag will be ignored if provided")
+
+	ComplianceExportCmd.AddCommand(
+		ComplianceExportListCmd,
+		ComplianceExportShowCmd,
+	)
+	RootCmd.AddCommand(ComplianceExportCmd)
+}
+
+func complianceExportListCmdF(c client.Client, command *cobra.Command, args []string) error {
+	return jobListCmdF(c, command, "message_export", "")
+}
+
+func complianceExportShowCmdF(c client.Client, command *cobra.Command, args []string) error {
+	job, _, err := c.GetJob(context.TODO(), args[0])
+	if err != nil {
+		return fmt.Errorf("failed to get compliance export job: %w", err)
+	}
+
+	printJob(job)
+
+	return nil
+}