TASK: Disable async image uris in imageteaser as it causes issues with the thumbnail

Author: Sebobo

DistributionPackages/Neos.NeosIo/Resources/Private/Fusion/Content/ImageTeaser.fusion

@@ -43,7 +43,6 @@ prototype(Neos.NeosIo:ImageTeaser) < prototype(Neos.Neos:ContentComponent) {
                 allowCropping={true}
                 width={props.width}
                 height={props.height}
-                async={true}
                 attributes.class="imageTeaser__image"
                 attributes.alt={props.alternativeText}
                 attributes.style={'max-height: ' + props.maximumHeight + 'px;'}