Bug 163018 An error extension will lead the report contain chart can't be opened and can not new a report.
Details: An error extension will lead the report contain chart can't open In org.eclipse.birt.report.tests.model has an error extension. When run the birt use workbenck, the report contain chart can't be opened and it can not new a report.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/metadata/PeerExtensionLoader.java
case IPropertyType.INTEGER_TYPE :
					case IPropertyType.DIMENSION_TYPE :
					case IPropertyType.COLOR_TYPE :
					case IPropertyType.CHOICE_TYPE :
					case IPropertyType.BOOLEAN_TYPE :
					case IPropertyType.EXPRESSION_TYPE :
					case IPropertyType.HTML_TYPE :
					case IPropertyType.RESOURCE_KEY_TYPE :
					case IPropertyType.URI_TYPE :
					case IPropertyType.DATE_TIME_TYPE :
					case IPropertyType.XML_TYPE :
					case IPropertyType.NAME_TYPE :
					case IPropertyType.FLOAT_TYPE :
					case IPropertyType.LITERAL_STRING_TYPE :
					case IPropertyType.LIST_TYPE :
					case IPropertyType.STRUCT_TYPE :
						allowedPropertyTypes.add( propType );
						break;
					default :
						break;
				}
			}
			return allowedPropertyTypes;
		}
		/**
		 * Gets the allowed property types for the extensions.
		 * 
		 * @return the allowed property types for the extensions
		 */
		List getAllowedSubPropertyTypes( )