[beatreceiver] replace global paths in javascript processor #46988
Description
The javascript processor uses paths.Resolve to find scripts to load from the filesystem.
This should be modified to use:
Line 92 in 78caa87
For beatreceivers this is not a critical bug since all the javascript "scripts" are in the policy as source and not read from the filesystem. However it is possible that this feature was used in the custom section of integrations.
Relates #44903