Opening `pde://` link on Windows 10 causes unexpected behavior

Most appropriate sub-area of Processing 4?

PDE

Processing version

4.4.1

Operating system

Windows 10

Steps to reproduce this

0. Install Processing 4.4.1 with the .msi installer.
1. Paste the pde:// link below in Chrome and press Enter.
2. Click "Open Processing" and wait for Processing to start.
3. Notice that the PDE shows visual glitches and errors in the console.

snippet

pde: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?pde=

Additional context

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 0
	at processing.app.ui.EditorHeader.paintComponent(EditorHeader.java:238)
	at java.desktop/javax.swing.JComponent.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
	at java.desktop/javax.swing.JComponent.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
	at java.desktop/javax.swing.JSplitPane.paintChildren(Unknown Source)
	at java.desktop/javax.swing.JComponent.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintToOffscreen(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent._paintImmediately(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintImmediately(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Unknown Source)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
	at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Unknown Source)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)

Would you like to work on the issue?

Maybe, with some guidance. But also happy to leave it to another contributor.

Processing 4.4.1 を .msi インストーラーでインストールした後、Chrome から提供された pde:// リンクを開いて Windows 10 のフローを再現します。processing.app.ui.EditorHeader.java の 238 行目から始め、報告された ArrayIndexOutOfBoundsException を調査します。スケッチが視覚的な不具合やコンソールエラーなしで開けば完了です。