Ensure time conductor mode is set when synchronizing time range

[shefalijoshi]

Closes #7729

Describe your changes:

Use setMode API to set the time span as well as the bounds instead of the old bounds time API.

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Author Checklist

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 56.57%. Comparing base (017380b) to head (b4aaa6b).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7731      +/-   ##
==========================================
- Coverage   57.00%   56.57%   -0.44%     
==========================================
  Files         673      673              
  Lines       27178    27178              
  Branches     2635     2635              
==========================================
- Hits        15493    15376     -117     
- Misses      11356    11471     +115     
- Partials      329      331       +2     

Flag	Coverage Δ
e2e-full	23.57% <ø> (-18.29%)	⬇️
e2e-stable	60.46% <ø> (-0.06%)	⬇️
unit	49.21% <0.00%> (-0.20%)	⬇️

Files	Coverage Δ
src/plugins/plot/MctPlot.vue	38.81% <0.00%> (ø)

... and 18 files with indirect coverage changes

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[unlikelyzero]

@shefalijoshi we should add a test in the timeconductor suite

[akhenry]

Tests, please. Nothing should be pushed any more without tests.

[davetsay]

Looks good. Can you write a test?

[shefalijoshi]

@shefalijoshi we should add a test in the timeconductor suite

I'll write a test in the plots suite since this is specific to a plots control

[shefalijoshi]

Test updated.

[davetsay]

LGTM

[unlikelyzero]

LGTM

[davetsay]

@shefalijoshi , approved but looks like there are lint errors