Fix: Add width to the cloud image element

Author: eremannisto

packages/keystatic/src/form/fields/cloudImage/ui.tsx

@@ -162,6 +162,7 @@ function ImageField(props: {
                 display: 'block',
                 maxHeight: tokenSchema.size.alias.singleLineWidth,
                 maxWidth: '100%',
+                width: '100%',
               }}
             />
           </Box>