fix: emit ics29 events on cacheCtx write after refunding on closed ch…

…annel (cosmos#1344)

## Description



closes: cosmos#1323 

---

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modules/apps/29-fee/keeper/escrow.go

@@ -225,6 +225,9 @@ func (k Keeper) RefundFeesOnChannelClosure(ctx sdk.Context, portID, channelID st
 		k.DeleteFeesInEscrow(cacheCtx, identifiedPacketFee.PacketId)
 	}
 
+	// NOTE: The context returned by CacheContext() refers to a new EventManager, so it needs to explicitly set events to the original context.
+	ctx.EventManager().EmitEvents(cacheCtx.EventManager().Events())
+
 	// write the cache
 	writeFn()