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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[codecov-commenter]

Codecov Report

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

Project coverage is 56.64%. Comparing base (c354e1c) to head (6bca2b0).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7731      +/-   ##
==========================================
- Coverage   56.65%   56.64%   -0.01%     
==========================================
  Files         673      673              
  Lines       27177    27177              
  Branches     2636     2636              
==========================================
- Hits        15396    15395       -1     
- Misses      11450    11451       +1     
  Partials      331      331              

Flag	Coverage Δ
e2e-full	23.57% <ø> (ø)
e2e-stable	60.63% <ø> (-0.01%)	⬇️
unit	49.25% <0.00%> (ø)

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

... and 5 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