Corrected filename generation before saving in Dropbox

[aspirio187]

Description

When a dossier was closed and sent to Dropbox its extension was missing. It was due to an error during Dropbox file name generation.

string dropboxFileName = GenerateDropboxFileName(dossierName, createdAt); The parameter dossierName was incorrect and has been chanegd to the correct file name like this : string dropboxFileName = GenerateDropboxFileName(fileName, createdAt);

Fixes #17

Type of change

• 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)
• This change requires a documentation update

How Has This Been Tested?

This fix has been tested by closing a dossier and verifying in Dropbox the file name

• Close dossier

Test Configuration:

• Firmware version:
• Hardware:
• Toolchain: VSCode
• SDK: .NET 6

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules