Call rate control handler after intermediate queueuing
Includes follow-up fixes
Signed-off-by: Felix Fietkau <nbd@nbd.name>
cherry-picked from commits:
- 7dd8829ef915f1c5fc728be8f8360c61ddaadf1b
- a603e82dd342680d584c4eb5f1b222e056379890
- 8bb4437c01ca35a5ac67e391630a1b24cb52dbb7