<!-- Please provide a detailed description of the bug. --> <!-- Note: This template is not meant for security vulnerabilities disclosure --> <!-- Any such issue, created in this repo, will be deleted on sight --> <!-- Instead please report vulnerabilities to the Eclipse Foundation's security team --> <!-- For more details, please read SECURITY.md in the repository root --> ### Bug Description: Hi, There is a new regression in the latest Theia version when resizing any docked panels while a custom editor or webview is open and active/visible. <!-- Please provide clear steps to reproduce the bug. --> ### Steps to Reproduce: 1. open any webview (e.g. open a jpeg file, or a custom editor) 2. try resizing the left panel (file explorer or any other panel) <!-- Please provide any additional information available. --> <!-- Additional information can be in the form of logs, screenshots, screencasts. --> ### Additional Information - Operating System: Mac (using chrome) - Theia Version: 1.61