bug: store messages can hang web-chat

[weboko]

When @vpavlin experimented with sending messages to toy chat it happened that a broken message got sent.
It is a valid message that was accepted by the network but its structure upon rendering hangs the browser.

[weboko]

This was shared as repro step but I didn't try yet.

curl -d '{"jsonrpc":"2.0","id":"id","method":"post_waku_v2_relay_v1_message", "params":["/waku/2/default-waku/proto", {"payload":"CNjMpqgGEglhbm9ueW1vdXMaDFdlIGFyZSBoZXJlIQ==", "timestamp": '$(echo -n $(date +%s)"000000000")', "contentTopic": "/toy-chat/2/huilong/proto", "ephemeral": false}]}' --header "Content-Type: application/json" http://localhost:8545

[danisharora099]

moving to icebox until we can repro it

[fryorcraken]

moving to icebox until we can repro it

I'd suggest to close unless reproduction is working.

[danisharora099]

moving to icebox until we can repro it

I'd suggest to close unless reproduction is working.

@weboko