OffsetParent is null, preventing dialog display of session info dialog

[testlabauto]

System details:

Positron and OS details:

Main on 4/30/25 and before.

Interpreter details:

Python 3.12.6

Describe the issue:

Seeing offsetParent show up as null in automated tests:

TypeError: Cannot read properties of null (reading 'offsetParent')
    at Module.getTopLeftOffset (http://localhost:9000/oss-dev/static/out/vs/base/browser/dom.js:469:32)
    at http://localhost:9000/oss-dev/static/out/vs/workbench/browser/positronComponents/positronModalPopup/positronModalPopup.js:81:45
    at http://localhost:9000/oss-dev/static/out/vs/workbench/browser/positronComponents/positronModalPopup/positronModalPopup.js:215:9
    at Xr (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:24134)
    at co (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:31424)
    at ra (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:31279)
    at df (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:30830)
    at yf (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:40560)
    at fn (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:39930)
    at la (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:35466)
Cannot read properties of null (reading 'offsetParent')
TypeError: Cannot read properties of null (reading 'offsetParent')
    at Module.getTopLeftOffset (http://localhost:9000/oss-dev/static/out/vs/base/browser/dom.js:469:32)
    at http://localhost:9000/oss-dev/static/out/vs/workbench/browser/positronComponents/positronModalPopup/positronModalPopup.js:81:45
    at http://localhost:9000/oss-dev/static/out/vs/workbench/browser/positronComponents/positronModalPopup/positronModalPopup.js:215:9
    at Xr (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:24134)
    at co (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:31424)
    at ra (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:31279)
    at df (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:30830)
    at yf (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:40560)
    at fn (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:39930)
    at la (http://localhost:9000/oss-dev/static/out/esm-package-dependencies/v135/[email protected]/es2022/react-dom.mjs:12:35466)

Steps to reproduce the issue:

This only seems to be happening on occasion in automated tests:

https://d38p2avprg8il3.cloudfront.net/playwright-report-14763763902-3861/trace/index.html?trace=https://d38p2avprg8il3.cloudfront.net/playwright-report-14763763902-3861/data/7d57d4b478f739cfd35180e1cdd84dadb9532558.zip

Expected or desired behavior:

Dialog opens, even if not in optimal location

Were there any error messages in the UI, Output panel, or Developer Tools console?

See above.