feat(ng): derive missing keys for seedless solana & x/p

[meeh0w]

• CP-11874

Changes

1. Makes useDeriveMissingKeysForSeedless free of toast dependency from @avalabs/core-k2-components by supplying callbacks instead
2. Makes use of the aforementioned hook in the nextgen app.
3. Checks for missing X/P addresses as well (that will be the case with the new X/P account model)

Testing

You'll need to run the Core Seedless API locally or wait for it to be deployed to staging

Screenshots:

Before

Seedless.-.before.mov

After - but before this hook was added

Seedless.-.after.but.before.deriving.missing.keys.mov

After the hook was added

Timing is sped up to show the toast actually appears. Normally it would only show up with poor network conditions

Seedless.-.after.-.derivation.succeeded.mov

Checklist for the author

• I've covered new/modified business logic with Jest test cases.
• I've tested the changes myself before sending it to code review and QA.

[bartosz-the-coder-at-avalabs]

Could you tell why this is a component instead of a hook?

[meeh0w]

I think I started out with a component for some reason and it just stayed this way. Good catch 👍

[meeh0w]

Should be better now. These types of hooks need access to the context providers, I've created a container-like component for them all to be placed inside of, instead of throwing them all inside app.tsx.

[csabbee]