fix: Made changes on flow due to wrong Receipt handling

[andrea-deri]

After a test session on which the whole flow is tested, some bugs were found. This PR aims to resolve these bugs and add more flexibility on future development, refactoring some existing code in more stable one.

List of Changes

• Fixed error on amount setting, wrongly casted as long value
• Set switchToExpired always to false in debt position creation
• Set dueDate always as today+1 in debt position update
• Better handling of invalid debt positions, preparing all for receipt generation
• Changed RE generation on invalid debt position analysis, moved before receipt generation

Motivation and Context

These changes are required in order to fix the flow and correctly handle RPT payments.

How Has This Been Tested?

• Tested in local environment

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[github-actions]

The default action is to increase the PATCH number of SEMVER. Set IGNORE-FOR-RELEASE if you want to skip SEMVER bump. BREAKING-CHANGE and NEW-RELEASE must be run from GH Actions section manually.

[github-actions]

The default action is to increase the PATCH number of SEMVER. Set IGNORE-FOR-RELEASE if you want to skip SEMVER bump. BREAKING-CHANGE and NEW-RELEASE must be run from GH Actions section manually.

[github-actions]

Comment this PR with update_code to format the code. Consider to use pre-commit to format the code.