Remove ordering of columns

[mjsqu]

Problem

As part of the checking for duplicate columns, the columns are sorted by name. This results in the output table having columns ordered alphabetically - not how they were provided by the source.

Proposed changes

Leave the sorted_items variable in place for checking only and use the items variable instead as the basis for table creation.

Types of changes

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• Bugfix (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)
• Documentation Update (if none of the other choices apply)

Checklist

• Description above provides context of the change
• I have added tests that prove my fix is effective or that my feature works
• Unit tests for changes (not needed for documentation changes)
• CI checks pass with my changes
• Bumping version in setup.py is an individual PR and not mixed with feature or bugfix PRs
• Commit message/PR title starts with [AP-NNNN] (if applicable. AP-NNNN = JIRA ID)
• Branch name starts with AP-NNN (if applicable. AP-NNN = JIRA ID)
• Commits follow "How to write a good git commit message"
• Relevant documentation is updated including usage instructions

[mjsqu]

target-snowflake sorts the column list before checking it for duplicates but then uses the sorted version instead of unsorted