Set default mode and bounds last in time conductor plugin

[mudinthewater]

Closes #7963

Describe your changes:

Change just moves the 'setMode' and 'setTimeSystem' functions to be performed last in the time conductor plugin, after the setBounds and setClockOffsets calls, which override the defaults intended.

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• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Is this a notable change that will require a special callout in the release notes? For example, will this break compatibility with existing APIs or projects that consume these plugins?

Author Checklist

• Changes address original issue?
• Tests included and/or updated with changes?
• Has this been smoke tested?
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• Testing instructions included in associated issue OR is this a dependency/testcase change?

Reviewer Checklist

• Changes appear to address issue?
• Reviewer has tested changes by following the provided instructions?
• Changes appear not to be breaking changes?
• Appropriate automated tests included?
• Code style and in-line documentation are appropriate?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (omm-release/5.3.0@5cc3cd4). Learn more about missing BASE report.

Additional details and impacted files

@@                 Coverage Diff                  @@
##             omm-release/5.3.0    #7964   +/-   ##
====================================================
  Coverage                     ?   50.15%           
====================================================
  Files                        ?      680           
  Lines                        ?    27286           
  Branches                     ?     2655           
====================================================
  Hits                         ?    13685           
  Misses                       ?    13271           
  Partials                     ?      330           

Flag	Coverage Δ
e2e-full	24.07% <100.00%> (?)
unit	49.27% <100.00%> (?)

Files with missing lines	Coverage Δ
src/plugins/timeConductor/plugin.js	78.84% <100.00%> (ø)

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