[DAPP] Add members by CSV refactor and missing logic

[LaimeJesus]

related #97

Description

This PRs adds some refactors and missing functionalities to the useImportCsv hook and component:

• Adds information related to the imported file (valid and invalid addresses) which will be used when submitting the tx
• Adds some refactors
  • reduce the amount of the API calls to the circles garden
  • removes some unnecessary code
  • moves CSV component to the manage groups tab

How to Test

Connect app into gnosis Login with an account with at least a group created Go to manage groups, add members tab Should see the import button at the bottom

Example file with the following addresses

• Shisus: 0x173c894917aC31E5bDBD4C7F54105D26A94ABF18
• safe acc: 0xB77d3948693B6dEE0F85184db515CE4910C21fe9
• Tomas: 0xff7D68f4BE5381Ae7d4Df449E134D51E8246C7b8
• Martin: 0x42cEDde51198D1773590311E2A340DC06B24cB37
• PabloF: 0x5bD27f8e5A8092907f2121E899A4A17221C8F014

import-file.csv

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Name	Status	Preview	Updated
circles-groups-safe-app	✅ Ready (Inspect)	Visit Preview	Aug 25, 2022 at 5:04PM (UTC)