move utils to canonical packages, update imports / exports

[ultraviolet10]

Linked Issues

• closes https://linear.app/happychain/issue/HAPPY-624/common-wallet-common-move-stuff

Description

cf. issue description

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Checklist

Basics

• B1. I have applied the proper label & proper branch name (e.g. norswap/build-system-caching).
• B2. This PR is not so big that it should be split & addresses only one concern.
• B3. The PR targets the lowest branch it can (ideally master).

Reminder: PR review guidelines

Correctness

• C1. Builds and passes tests.
• C2. The code is properly parameterized & compatible with different environments (e.g. local,
  testnet, mainnet, standalone wallet, ...).
• C3. I have manually tested my changes & connected features.

< INDICATE BROWSER, DEMO APP & OTHER ENV DETAILS USED FOR TESTING HERE >

< INDICATE TESTED SCENARIOS (USER INTERFACE INTERACTION, CODE FLOWS) HERE >

• C4. I have performed a thorough self-review of my code after submitting the PR,
  and have updated the code & comments accordingly.

Architecture & Documentation

• D1. I made it easy to reason locally about the code, by (1) using proper abstraction boundaries,
  (2) commenting these boundaries correctly, (3) adding inline comments for context when needed.
• D2. All public-facing APIs are documented in the docs.
  Public APIS and meaningful (non-local) internal APIs are properly documented in code comments.
• D3. If appropriate, the general architecture of the code is documented in a code comment or
  in a Markdown document.
• D4. An appropriate Changeset has been generated (and committed) with make changeset for
  breaking and meaningful changes in packages (not required for cleanups & refactors).

[ultraviolet10]

• move utils to canonical packages, update imports / exports #924 👈 (View in Graphite)
• master

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[linear]

HAPPY-624 common <> wallet-common move stuff

- [ ] move getChain from common to wallet-common? + export
- [ ] happy method names should not be in common?

• HappyMethodNames and TransactionType should be in wallet-common and iframe respectively
• The LruCache from the submitter can be moved to common/collections
• I added a copy of waitForCondition (originally in wallet-common) in common — we should use the common version everywhere.
• shortenAddress from wallet-common can move to common

[not-reed]

nice one