* Fix migration 88 to handle the case where chainId keys can be undefined
* Add migration 91 to delete network configurations that have no chainId
* Lint fix
* Update migration number
* Update migration 91 description
* Update version numbers in 091.test.js
* Fix 088.test.ts typescript problem
* Fix 088.test.ts typescript problem
* Update app/scripts/migrations/091.ts
Co-authored-by: Mark Stacey <markjstacey@gmail.com>
* Change app/scripts/migrations/091.test.js to typescript
* clone oldstorage for test result comparisons in 091.test.js
* Lint fix
* Add missing test case
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Co-authored-by: Mark Stacey <markjstacey@gmail.com>
