The default implementation of the Property View should not try to handle a multi valuated EStructuralFeature of type String

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• I have checked that this bug has not yet been reported by someone else
• I have checked that this bug appears on Chrome
• I have specified the version : 2022.9.8
• I have specified my environment : - All

Screenshots

java.util.concurrent.ExecutionException: java.lang.ClassCastException: class java.lang.String cannot be cast to class java.util.Collection (java.lang.String and java.util.Collection are in module java.base of loader 'bootstrap')
	at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:na]
	at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) ~[na:na]
	at org.eclipse.sirius.components.collaborative.editingcontext.EditingContextEventProcessor.handle(EditingContextEventProcessor.java:217) ~[classes/:na]
	at org.eclipse.sirius.components.collaborative.editingcontext.EditingContextEventProcessorRegistry.lambda$1(EditingContextEventProcessorRegistry.java:76) ~[classes/:na]

Caused by: java.lang.ClassCastException: class java.lang.String cannot be cast to class java.util.Collection (java.lang.String and java.util.Collection are in module java.base of loader 'bootstrap')
	at org.eclipse.uml2.uml.internal.impl.OpaqueBehaviorImpl.eSet(OpaqueBehaviorImpl.java:522) ~[org.eclipse.uml2.uml_5.5.0.v20210228-1829.jar:na]
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eSet(BasicEObjectImpl.java:1110) ~[org.eclipse.emf.ecore_2.28.0.v20220817-1401.jar:na]
	at org.eclipse.sirius.components.compatibility.emf.properties.EStringIfDescriptionProvider.lambda$3(EStringIfDescriptionProvider.java:118) ~[classes/:na]
	at org.eclipse.sirius.components.forms.components.TextareaComponent.lambda$0(TextareaComponent.java:52) ~[classes/:na]
	at org.eclipse.sirius.components.collaborative.forms.handlers.EditTextfieldEventHandler.lambda$1(EditTextfieldEventHandler.java:94) ~[classes/:na]
	at java.base/java.util.Optional.map(Optional.java:265) ~[na:na]
	at org.eclipse.sirius.components.collaborative.forms.handlers.EditTextfieldEventHandler.handle(EditTextfieldEventHandler.java:94) ~[classes/:na]

Steps to reproduce

• Use a Metamodel with a EClass that contains a EAttribute with an upper bounds superior to 1 of type EString
• Display the element in the property view
• Try to edit the value

Expected behavior

Do not display the String widget on those cases

Actual behavior

The widget is displayed