Further bump expect timeout for iframe input

[kachkaev]

Context: slack thread (internal). Continues #474

[codecov]

Codecov Report

Merging #477 (9bc800c) into main (732fcd5) will decrease coverage by 0.37%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #477      +/-   ##
==========================================
- Coverage   62.58%   62.20%   -0.38%     
==========================================
  Files         225      225              
  Lines        3691     3691              
  Branches      894      894              
==========================================
- Hits         2310     2296      -14     
- Misses       1091     1102      +11     
- Partials      290      293       +3     

Flag	Coverage Δ
site-integration	62.20% <ø> (-0.38%)	⬇️

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

Impacted Files	Coverage Δ
site/src/lib/api-client.ts	87.50% <0.00%> (-9.38%)	⬇️
site/src/pages/[shortname]/types/[title].page.tsx	59.45% <0.00%> (-8.11%)	⬇️
site/src/pages/login.page.tsx	77.77% <0.00%> (-6.67%)	⬇️
site/src/components/mdx/mdx-page-content.tsx	69.01% <0.00%> (-4.23%)	⬇️
...nents/entity-types/schema-editor/schema-editor.tsx	46.77% <0.00%> (-1.62%)	⬇️
site/src/components/navbar.tsx	92.77% <0.00%> (-1.21%)	⬇️

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