Fixing dataset references

[galvana]

Closes #3871

Description Of Changes

Adding conversions between dataset reference objects and dataset reference strings to the front-end.

Code Changes

• Added conversions between dataset reference objects and dataset reference strings to the front-end.
• Fixed minor bug in the mask_sensitive_fields function

Steps to Confirm

• Create a System with a Postgres connection and a minimal dataset just containing a user collection with a single ID field
• Create a Doordash system
• Add a Doordash integration and set the value of Doordash Delivery ID to be the dataset created in step one, for example shop.customers.id
• Navigate to the System Management page, results should be returned
• Navigate directly to the Doordash system (for example: http://localhost:3000/systems/configure/doordash)
• Verify the Doordash Delivery ID is set to shop.customers.id

Pre-Merge Checklist

• All CI Pipelines Succeeded
• Documentation:
  • documentation complete, PR opened in fidesdocs
  • documentation issue created in fidesdocs
• Issue Requirements are Met
• Relevant Follow-Up Issues Created
• Update CHANGELOG.md
• For API changes, the Postman collection has been updated

[cypress]

Passing run #3406 ↗︎

0	4	0	0	0
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Details:

Merge 3be38b3 into f6eedab...
Project: fides	Commit: 3b5ed40855 ℹ️
Status: Passed	Duration: 00:49 💡
Started: Jul 31, 2023 4:03 PM	Ended: Jul 31, 2023 4:04 PM

_{This comment has been generated by cypress-bot as a result of this project's GitHub integration settings.}

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.01% 🎉

Comparison is base (f6eedab) 87.18% compared to head (3be38b3) 87.19%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3873      +/-   ##
==========================================
+ Coverage   87.18%   87.19%   +0.01%     
==========================================
  Files         317      317              
  Lines       19350    19352       +2     
  Branches     2485     2486       +1     
==========================================
+ Hits        16870    16874       +4     
+ Misses       2049     2048       -1     
+ Partials      431      430       -1     

Files Changed	Coverage Δ
src/fides/api/api/v1/endpoints/system.py	78.35% <100.00%> (ø)
...emas/connection_configuration/connection_config.py	100.00% <100.00%> (+2.38%)	⬆️

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[TheAndrewJackson]

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