[Bug] WebSocket connection does not handle errors well and there is no retry

[Woody4618]

Describe the bug

1. When subscribing to accounts before the websocket connection is established the subscribtions get lost without an error message:
   

2. When subscribing to the account on multiple channels none of the subscriptions trigger anymore.

3. When Socket connection looses connection, when running for a while in a webgl build for example, there is no automatic reconnect.

4. Socket subscribe functions default to finalized, I would recommend using confirmed commitment.

To Reproduce
Reprouction can be found in this project in the TokenPanel. The subscription only works When waiting a few seconds after the Login happened.
https://github.com/solana-developers/solana-game-starter-kits/blob/main/lumberjack/unity/Lumberjack/Assets/Game/Scripts/Ui/TokenPanel.cs
I added a bunch of comments to the file for easy reproduction.

Expected behavior
I would like an implementation like here:
https://github.com/solana-developers/solana-game-starter-kits/blob/main/seven-seas/unity/Assets/SolPlay/Scripts/Services/SolPlayWebSocketService.cs

Where the subscriptions are saved independant from the socket state and when the sockets connects or reconnects the subscriptions get reapplied.

[GabrielePicco]

Thanks for opening the PR. Done some initial work in #186.