Prevent Metadata Time System Error for Missing Objects

[jvigliotta]

Closes #7476

Describe your changes:

Modified Stacked Plots to not show Missing Objects. Added a check in Telemetry Collections for missing objects before displaying telemetry metadata time system error.

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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?
• Have you associated this PR with a type: label? Note: this is not necessarily the same as the original issue.
• Have you associated a milestone with this PR? Note: leave blank if unsure.
• Is this a breaking change to be called out in the release notes?
• 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

Attention: Patch coverage is 56.00000% with 11 lines in your changes are missing coverage. Please review.

Project coverage is 56.17%. Comparing base (faed27c) to head (a18cf8d).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7565      +/-   ##
==========================================
+ Coverage   56.15%   56.17%   +0.01%     
==========================================
  Files         672      672              
  Lines       27104    27112       +8     
  Branches     2630     2635       +5     
==========================================
+ Hits        15220    15229       +9     
+ Misses      11561    11558       -3     
- Partials      323      325       +2     

Flag	Coverage Δ
e2e-full	23.60% <16.66%> (-0.01%)	⬇️
e2e-stable	59.92% <33.33%> (-0.04%)	⬇️
unit	49.14% <56.00%> (+0.01%)	⬆️

Files	Coverage Δ
src/api/objects/ObjectAPI.js	90.86% <100.00%> (ø)
src/api/telemetry/TelemetryCollection.js	86.43% <100.00%> (+0.06%)	⬆️
src/plugins/plot/configuration/SeriesCollection.js	90.78% <50.00%> (-1.11%)	⬇️
src/ui/components/ObjectFrame.vue	4.16% <0.00%> (+0.08%)	⬆️
src/plugins/plot/stackedPlot/StackedPlotItem.vue	27.53% <0.00%> (ø)
src/plugins/plot/stackedPlot/StackedPlot.vue	61.90% <0.00%> (-1.83%)	⬇️
src/ui/layout/BrowseBar.vue	45.45% <69.23%> (-1.43%)	⬇️

... and 3 files with indirect coverage changes

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[ozyx]

Blocking for now will elaborate later but I have a good reason I swear

[ozyx]

LGTM