Exception when opening the table context menu.

[Sten Nordström]

Sometimes when opening the context menu on a table I get the following exception:

Exception in thread "JavaFX Application Thread" java.lang.IndexOutOfBoundsException: Index 2 out of bounds for length 1
	at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
	at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
	at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:266)
	at java.base/java.util.Objects.checkIndex(Objects.java:359)
	at java.base/java.util.ArrayList.get(ArrayList.java:427)
	at com.gluonhq.richtextarea.model.Table.printTable(Table.java:185)
	at com.gluonhq.richtextarea.viewmodel.ActionCmdTable.lambda$apply$3(ActionCmdTable.java:169)
	at java.base/java.util.Optional.ifPresent(Optional.java:178)
	at com.gluonhq.richtextarea.viewmodel.ActionCmdTable.apply(ActionCmdTable.java:166)
	at com.gluonhq.richtextarea.RichTextAreaSkin.lambda$createMenuItem$28(RichTextAreaSkin.java:658)
	at javafx.base@18/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
	at javafx.base@18/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:234)
	at javafx.base@18/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
	at javafx.base@18/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
	at javafx.base@18/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at javafx.base@18/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
	at javafx.base@18/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
	at javafx.base@18/javafx.event.Event.fireEvent(Event.java:198)
	at javafx.controls@18/javafx.scene.control.MenuItem.fire(MenuItem.java:459)
	at javafx.controls@18/com.sun.javafx.scene.control.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1385)
	at javafx.controls@18/com.sun.javafx.scene.control.ContextMenuContent$MenuItemContainer.lambda$createChildren$12(ContextMenuContent.java:1338)
	at javafx.base@18/com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:247)
	at javafx.base@18/com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
	at javafx.base@18/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:234)
	at javafx.base@18/com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
	at javafx.base@18/com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
	at javafx.base@18/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
	at javafx.base@18/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at javafx.base@18/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
	at javafx.base@18/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at javafx.base@18/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
	at javafx.base@18/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at javafx.base@18/com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
	at javafx.base@18/com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
	at javafx.base@18/com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
	at javafx.base@18/com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
	at javafx.base@18/javafx.event.Event.fireEvent(Event.java:198)
	at javafx.graphics@18/javafx.scene.Scene$MouseHandler.process(Scene.java:3881)
	at javafx.graphics@18/javafx.scene.Scene.processMouseEvent(Scene.java:1874)
	at javafx.graphics@18/javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2607)
	at javafx.graphics@18/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:411)
	at javafx.graphics@18/com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:301)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
	at javafx.graphics@18/com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$2(GlassViewEventHandler.java:450)
	at javafx.graphics@18/com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:424)
	at javafx.graphics@18/com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:449)
	at javafx.graphics@18/com.sun.glass.ui.View.handleMouseEvent(View.java:551)
	at javafx.graphics@18/com.sun.glass.ui.View.notifyMouse(View.java:937)
	at javafx.graphics@18/com.sun.glass.ui.mac.MacView.notifyMouse(MacView.java:127)