Werk #18980: Fix widget preview growing unbounded in width

Component

Setup

Title

Fix widget preview growing unbounded in width

Date

Mar 18, 2026

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.6.0b1 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT
2.5.0b2 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

When configuring dashboard widgets with "Use absolute width" for the vertical axis, the widget preview would grow continuously in width without stopping.

This affected the "Percentage of service problems" and "Graph" widget previews.

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