[Telemetry Tables] Make sure tables auto scroll correctly on first load

[jvigliotta]

Closes #7669

Describe your changes:

Added an after load action to scroll to the top after a table is first visited. This handles cases where historical telemetry can come in and affect the initial sticky scroll.

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Author Checklist

• Changes address original issue?
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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.59%. Comparing base (977792f) to head (777a860).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7720      +/-   ##
==========================================
+ Coverage   56.12%   56.59%   +0.46%     
==========================================
  Files         673      673              
  Lines       27181    27182       +1     
  Branches     2635     2635              
==========================================
+ Hits        15256    15383     +127     
+ Misses      11595    11468     -127     
- Partials      330      331       +1     

Flag	Coverage Δ
e2e-full	23.56% <ø> (ø)
e2e-stable	60.46% <ø> (+1.36%)	⬆️
unit	49.26% <100.00%> (+0.05%)	⬆️

Files	Coverage Δ
...ugins/telemetryTable/components/TableComponent.vue	44.23% <100.00%> (+2.78%)	⬆️

... and 18 files with indirect coverage changes

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[davetsay]

Smoke tested and works perfectly. One request is to label your test as sort descending and add a test for sort ascending.

[ozyx]

Left a suggestion on how to avoid using hard waits in the e2e

[ozyx]

LGTM