Yes, there is a procedure - please report such a suggestion as a new MDL issue, component "Policy".
I agree it is a bad practice to design strings with trailing and heading whitespace and I believe it should be considered a bug in the original English strings.
Meanwhile, you should be able to insert strings with whitespaces into AMOS though - https://lang.moodle.org/mod/forum/discuss.php?d=5908#p6932