fix: flaky e2e tests

[ethanalvizo]

Fixes:

• code not pasting/typing into editor
• deleting tables between tests
• menus not closing between steps
• using dblclick over drag when possible

Does not fix:

• table disconnect observed on DHC version 0.27.1

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01% ⚠️

Comparison is base (6ff27a6) 45.75% compared to head (0bcec5b) 45.74%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1453      +/-   ##
==========================================
- Coverage   45.75%   45.74%   -0.01%     
==========================================
  Files         515      516       +1     
  Lines       35073    35095      +22     
  Branches     8784     8785       +1     
==========================================
+ Hits        16048    16055       +7     
- Misses      18974    18989      +15     
  Partials       51       51              

Flag	Coverage Δ
unit	45.74% <ø> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
packages/iris-grid/src/CrossColumnSearch.tsx	8.64% <ø> (ø)

... and 4 files with indirect coverage changes

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