Update .sw files with latest vm operators

[djma]

I'm trying to get swayswap to run locally.

The first commit fixes the compiler errors in #395.

The vercel preview seems to run fine. But currently trying to figure out this node connection error in my local:

request to http://localhost:4000/graphql failed, reason: socket hang up

> swayswap@0.1.0 contracts:init-pool /Users/davidma/crypto/fuellabs/swayswap
> pnpm run --filter swayswap-app contracts:init --init-pool


> swayswap-app@0.1.0 contracts:init /Users/davidma/crypto/fuellabs/swayswap/packages/app
> pnpm exec ts-node ./scripts/contracts-init "--init-pool"

Initialize Token Contract
Token Contract already initialized
/Users/davidma/crypto/fuellabs/swayswap/node_modules/.pnpm/node-fetch@2.6.7/node_modules/node-fetch/lib/index.js:1491
			reject(new FetchError(`request to ${request.url} failed, reason: ${err.message}`, 'system', err));
          ^
FetchError: request to http://localhost:4000/graphql failed, reason: socket hang up
    at ClientRequest.<anonymous> (/Users/davidma/crypto/fuellabs/swayswap/node_modules/.pnpm/node-fetch@2.6.7/node_modules/node-fetch/lib/index.js:1491:11)
    at ClientRequest.emit (node:events:513:28)
    at ClientRequest.emit (node:domain:489:12)
    at Socket.socketOnEnd (node:_http_client:514:9)
    at Socket.emit (node:events:525:35)
    at Socket.emit (node:domain:489:12)
    at endReadableNT (node:internal/streams/readable:1359:12)
    at processTicksAndRejections (node:internal/process/task_queues:82:21) {
  type: 'system',
  errno: 'ECONNRESET',
  code: 'ECONNRESET'
}

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