Control Volume 1D Scaler

[dallan-keylogic]

Fixes

• Allows submodel scalers to be called on BlockData directly, not just IndexedBlocks

Summary/Motivation:

Adds a scaler for the ControlVolume1D.

Changes proposed in this PR:

• Adds scaler for ControlVolume1D
• Adds public flow_direction property to allow public access to the _flow_direction attribute.

Legal Acknowledgement

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1. I agree my contributions are submitted under the license terms described in the LICENSE.txt file at the top level of this directory.
2. I represent I am authorized to make the contributions and grant the license. If my employer has rights to intellectual property that includes these contributions, I represent that I have received permission to make contributions and grant the required license on behalf of that employer.

[codecov]

Codecov Report

❌ Patch coverage is 99.15966% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 77.15%. Comparing base (ca3c1fd) to head (321fae0).

Files with missing lines	Patch %	Lines
idaes/core/base/control_volume_base.py	97.61%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@                 Coverage Diff                 @@
##           scaling_toolbox    #1673      +/-   ##
===================================================
+ Coverage            77.09%   77.15%   +0.05%     
===================================================
  Files                  395      395              
  Lines                63182    63278      +96     
  Branches             10380    10418      +38     
===================================================
+ Hits                 48713    48824     +111     
+ Misses               12021    12012       -9     
+ Partials              2448     2442       -6     

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