mod_firewall: Initialize compiled chunk just once for all handlers This should fix a case where some stateful dependencies (such as throttles) produce separate instances for every call to new_handler(), leading to surprising behaviour (e.g. rules executed via JUMP CHAIN vs ::deliver would have separate rate limits). This also adds better error handling in case the compiled code fails to run for some reason.

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labels:
- 'Stage-Beta'
summary: 'XEP-0377: Spam Reporting'
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This module is a very basic implementation of [XEP-0377: Spam Reporting].

When someone reports spam or abuse, a line about this is logged and an
event is fired so that other modules can act on the report.