fix: pass event entity arg to notifyTokenHolders function in ProjectToken.RevenueSplitIssued

[zeeshanakram3]

Problem

{"level":5,"time":1711375967343,"ns":"sqd:processor","err":{"stack":"TypeError: em.getRepository(...).findOne is not a function\n    at getNextIdForEntity (/orion/lib/utils/nextEntityId.js:14:60)\n    at addOffChainNotification (/orion/lib/utils/notification/helpers.js:135:76)\n    at addNotification (/orion/lib/utils/notification/helpers.js:209:15)\n    at /orion/lib/mappings/token/utils.js:244:110\n    at /orion/node_modules/p-limit/index.js:23:31\n    at run (/orion/node_modules/p-limit/index.js:23:43)\n    at /orion/node_modules/p-limit/index.js:45:20\n    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)"}}

In the mappings ProjectToken.RevenueSplitIssued mappings we were not passing the event entity to the notifyTokenHolders function, because of that the notification was interpreted as offchain notification and hence using db store/connection as EntityManager instead of EntityManagerOverlay