NoMongo: Validate and Fix Mobile Login & Registration Against the postgres-develop Branch

[palisadoes]

Is your feature request related to a problem? Please describe.

1. We have migrated to the postgres-develop branch of the API
2. We need to validate and fix the initial login & registration process for the app

Describe the solution you'd like

• This is up to the person assigned

Describe alternatives you've considered

• N/A

Approach to be followed (optional)

See above

Additional context

1. We are working on fixing #talawa-admin logins on the develop-postgres branch of the API. Check the #talawa-projects slack channel as it involves work on multiple repos.
   • The PR is: Login workflow resolution for develop-postgres API talawa-admin#3400
2. The work being done there will be useful in converting the mobile app to use the new methodology

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[MohitMaulekhi]

Please assign

[hustlernik]

@palisadoes I would like to work.

[MohitMaulekhi]

@palisadoes @noman2002

Currently, the Talawa app requires users to select an organization before registering.

However, for migrating to develop-postgres, this PR (talawa-admin) removes the requirement to select an organization before registering.

Are we expecting the same for the Talawa app to allow users to register however they prefer?