Migrate Hive v2 to support Flutter web WASM

[Rexios80]

Migrates Hive v2 to support Flutter web WASM since v3 and v4 are major changes (and not stable)

This should not be merged into the main branch, but there isn't a better option right now. This should probalby be merged into a branch created off of the tag v2.2.3 since that is the commit these changes are based on.

IF YOU WANT TO USE THIS NOW

I have released the following packages to replace Hive in my projects. The intent is to keep these up to date with modern Dart/Flutter standards.

hive_ce hive_ce_flutter hive_ce_generator

If you do not want to use Hive Community Edition, you can use this PR directly:

dependency_overrides:
  hive:
    git:
      url: https://github.com/Rexios80/hive
      ref: 4eb0dbc7807e7210831a2c71f056ac15c9e32e52
      path: hive
  hive_generator:
    git:
      url: https://github.com/Rexios80/hive
      ref: 4eb0dbc7807e7210831a2c71f056ac15c9e32e52
      path: hive_generator

Make sure to run the generator after updating

Related issues

https://github.com/isar/hive/issues/1287 https://github.com/isar/isar/issues/1617 https://github.com/isar/isar/pull/1616