Add group property to records. Correct filter on file records.

[peterallenwebb]

resolves #

Description

This PR adds a "group" property to records that can be used to record, replay, or diff related records. The initial application of the group property will be to create a Database group in core and adapters which will apply to all records related to DB/DWH interaction.

Checklist

• I have read the contributing guide and understand what's expected of me
• I have signed the CLA
• I have run this code in development and it appears to resolve the stated issue
• I have opened an issue to add/update docs, or docs changes are not required/relevant for this PR
• I have run changie new to create a changelog entry

[github-actions]

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 50.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 64.31%. Comparing base (8edae92) to head (a54fa57).

Files	Patch %	Lines
dbt_common/clients/system.py	20.00%	4 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #169   +/-   ##
=======================================
  Coverage   64.31%   64.31%           
=======================================
  Files          51       51           
  Lines        3225     3228    +3     
=======================================
+ Hits         2074     2076    +2     
- Misses       1151     1152    +1     

Flag	Coverage Δ
unit	64.31% <50.00%> (+<0.01%)	⬆️

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