MM-57512: Disable content extraction during import (#26619)

https://mattermost.atlassian.net/browse/MM-57512
```release-note
NONE
```

server/cmd/mattermost/commands/import.go

@@ -156,7 +156,7 @@ func bulkImportCmdF(command *cobra.Command, args []string) error {
 
 	CommandPrettyPrintln("")
 
-	if err, lineNumber := a.BulkImportWithPath(rctx, fileReader, nil, !apply, workers, importPath); err != nil {
+	if err, lineNumber := a.BulkImportWithPath(rctx, fileReader, nil, true, !apply, workers, importPath); err != nil {
 		CommandPrintErrorln(err.Error())
 		if lineNumber != 0 {
 			CommandPrintErrorln(fmt.Sprintf("Error occurred on data file line %v", lineNumber))