refactor(form/inputs): simplify tenary statement

As suggested by @binoy14 in his review.

Author: skogsmaskin

packages/sanity/src/core/form/inputs/PortableText/object/Annotation.tsx

@@ -96,10 +96,7 @@ export function Annotation(props: AnnotationProps) {
     [Markers, markers, renderCustomMarkers, text, validation]
   )
 
-  const presence =
-    memberItem?.node.presence && memberItem?.node.presence.length > 0
-      ? memberItem.node.presence
-      : EMPTY_ARRAY
+  const presence = memberItem?.node.presence?.length ? memberItem.node.presence : EMPTY_ARRAY
 
   const isOpen = Boolean(memberItem?.member.open)
   const input = memberItem?.input

packages/sanity/src/core/form/inputs/PortableText/object/BlockObject.tsx

@@ -123,10 +123,7 @@ export function BlockObject(props: BlockObjectProps) {
   const parentSchemaType = editor.schemaTypes.portableText
   const hasMarkers = Boolean(markers.length > 0)
 
-  const presence =
-    memberItem?.node.presence && memberItem?.node.presence.length > 0
-      ? memberItem.node.presence
-      : EMPTY_ARRAY
+  const presence = memberItem?.node.presence?.length ? memberItem.node.presence : EMPTY_ARRAY
 
   // Tooltip indicating validation errors, warnings, info and markers
   const tooltipEnabled = hasError || hasWarning || hasInfo || hasMarkers

packages/sanity/src/core/form/inputs/PortableText/object/InlineObject.tsx

@@ -76,11 +76,7 @@ export const InlineObject = (props: InlineObjectProps) => {
 
   const isOpen = Boolean(memberItem?.member.open)
   const input = memberItem?.input
-  const presence =
-    memberItem?.node.presence && memberItem?.node.presence.length > 0
-      ? memberItem.node.presence
-      : EMPTY_ARRAY
-
+  const presence = memberItem?.node.presence?.length ? memberItem.node.presence : EMPTY_ARRAY
   const componentProps: BlockProps | undefined = useMemo(
     () => ({
       __unstable_boundaryElement: boundaryElement || undefined,

packages/sanity/src/core/form/inputs/PortableText/text/TextBlock.tsx

@@ -147,10 +147,7 @@ export function TextBlock(props: TextBlockProps) {
 
   const isOpen = Boolean(memberItem?.member.open)
   const parentSchemaType = editor.schemaTypes.portableText
-  const presence =
-    memberItem?.node.presence && memberItem?.node.presence.length > 0
-      ? memberItem.node.presence
-      : EMPTY_ARRAY
+  const presence = memberItem?.node.presence?.length ? memberItem.node.presence : EMPTY_ARRAY
 
   const CustomComponent = schemaType.components?.block as ComponentType<BlockProps> | undefined
   const componentProps: BlockProps = useMemo(