chore: Refactor Snaps integration

FrederikBolding commented 1 week ago

Description

Refactors a few parts of the Snaps integration in mobile and fixes some problems:

Fixes RPC methods being called by dapps - which were broken due to moving the PermissionController
Move PermissionController middleware to execute before all other middlewares when handling requests from Snaps
Simplify NPM implementation significantly by using a base class BaseNpmLocation which handles most of the complexity
Support snap_getFile, which was broken due to a missing hook
Add proper feature flags for basic functionality and allowing local Snaps

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sonarcloud[bot] commented 1 week ago