Fix query plan default viewport in preview UI #26749
Merged
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Description
Fix an issue with query live plan in preview UI when complex queries are not visible by default.
Partially addressing #26724
Additional context and related issues
The query plan is rendered correctly but the default viewport often falls outside the visible area. This PR addresses the issue by making fitView the default ensuring the entire flow is zoomed and positioned to fit within the window.
In addition it introduces an
Origin
button that dynamically centers on the first node, serving both as a convenient reset and as a default zoom-in option if the full flow initially appears too small.Release notes
( ) This is not user-visible or is docs only, and no release notes are required.
( ) Release notes are required. Please propose a release note for me.
(x) Release notes are required, with the following suggested text: