Remove all logic around auto centering and scrolling the timelist

[shefalijoshi]

Closes #7449

Describe your changes:

Remove auto scrolling for time list

All Submissions:

• 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 change backwards compatible? For example, developers won't need to change how they are calling the API or how they've extended core plugins such as Tables or Plots.

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

All modified and coverable lines are covered by tests ✅

Comparison is base (29d83e9) 55.60% compared to head (bab84ad) 55.13%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7474      +/-   ##
==========================================
- Coverage   55.60%   55.13%   -0.47%     
==========================================
  Files         672      672              
  Lines       27026    26961      -65     
  Branches     2634     2620      -14     
==========================================
- Hits        15027    14866     -161     
- Misses      11274    11377     +103     
+ Partials      725      718       -7     

Flag	Coverage Δ
e2e-full	21.69% <ø> (-28.11%)	⬇️
e2e-stable	59.30% <ø> (-0.23%)	⬇️
unit	48.47% <ø> (+<0.01%)	⬆️

Files	Coverage Δ
src/plugins/timelist/TimelistComponent.vue	61.80% <ø> (+4.99%)	⬆️

... and 14 files with indirect coverage changes

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