chore: Mark Table component as a funnel substep

[connorlanigan]

Description

After this change, the Table component is treated as a substep when it comes to funnel metrics, i.e. it is treated like a container. This does not apply to the embedded variants of the Table, because those are expected to already have a container around them.

See also the equivalent change for Cards: #1362

Related links, issue #, if available: n/a

How has this been tested?

Extended the unit test

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

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[avinashbot]

Switching variants will cause React to rerender from scratch, but... I don't see anyone switching variants around dynamically...

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (f0d128b) 93.79% compared to head (369fbfa) 93.79%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1483   +/-   ##
=======================================
  Coverage   93.79%   93.79%           
=======================================
  Files         639      639           
  Lines       17234    17237    +3     
  Branches     5667     5668    +1     
=======================================
+ Hits        16165    16168    +3     
  Misses        996      996           
  Partials       73       73           

Files Changed	Coverage Δ
src/table/index.tsx	100.00% <100.00%> (ø)

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