Structured flowsheet wrapper util

[dangunter]

Fixes #1701

Summary/Motivation:

Need additional flowsheet structure to incorporate into Jupyter UI plans

Changes proposed in this PR:

• utility code to wrap a flowsheet, in runner and fsrunner modules
• log utility for removing spurious output (useful for UIs), in logutil
• action for timing, in runner_actions module
• example wrapped flowsheet (IDAES modules only)
• tests to desired coverage level
• documentation

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 92.38411% with 23 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.50%. Comparing base (36e6eb8) to head (5aa7b0e).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
idaes/core/util/structfs/runner_actions.py	86.66%	7 Missing and 9 partials ⚠️
idaes/core/util/structfs/runner.py	94.44%	4 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1702      +/-   ##
==========================================
+ Coverage   77.46%   77.50%   +0.03%     
==========================================
  Files         395      399       +4     
  Lines       64763    65094     +331     
  Branches    10897    10947      +50     
==========================================
+ Hits        50171    50452     +281     
- Misses      12084    12116      +32     
- Partials     2508     2526      +18     

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[dangunter]

@CopyDemon added you as a reviewer. Still very much a WIP!