Fixed issue #610 on prompting user they are not using an account capable of setting up AWS Organization

[smoy]

What changed?

• Fixed issue iambic setup does not instruct the user regarding their AWS account cannot be use to setup AWS Organization #610 on prompting user they are not using an account capable of setting up AWS Organization

Rationale

• User is informed they are not using the right AWS account when setting up AWS Organization.

How was it tested?

If it was manually verified, list the instructions for your reviewers to follow.

• Unit Tests
• Functional Tests
• Manually Verified

export AWS env variable of a member account. get the message.

2023/08/23 14:30:28 [error    ] If you would like to use AWS Organizations, the IAMbic hub account you
configured must be the same AWS account as your AWS Organization.
Please follow AWS guide to setup an AWS organization first. If you already have an organization setup,
make sure you are using the organization management account before running IAMbic setup

export AWS env variable of a organization account, proceed as expected:

We recommend configuring IAMbic with AWS Organizations, but you may also manually configure accounts.
? What would you like to configure in AWS? AWS Organizations

What is the AWS Organization ID?
It can be found here https://us-east-1.console.aws.amazon.com/organizations/v2/home/accounts
? AWS Organization ID:  <redacted>

[castrapel]

LGTM

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -9.82% ⚠️

Comparison is base (2e003f7) 83.04% compared to head (ddc1e5a) 73.23%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #611      +/-   ##
==========================================
- Coverage   83.04%   73.23%   -9.82%     
==========================================
  Files         105      105              
  Lines       12587    12587              
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- Hits        10453     9218    -1235     
- Misses       2134     3369    +1235     

Flag	Coverage Δ
functional_tests	?
functional_tests_config_discovery	?
unit_tests	73.23% <ø> (ø)

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