fix(history): update relations display (#20081)

packages/core/content-manager/admin/src/history/components/VersionInputRenderer.tsx

@@ -65,16 +65,7 @@ const CustomRelationInput = (props: RelationsFieldProps) => {
   return (
     <Box>
       <FieldLabel>{props.label}</FieldLabel>
-      {results.length === 0 ? (
+      {results.length > 0 && (
-        <Box marginTop={1}>
-          <StyledAlert variant="default">
-            {formatMessage({
-              id: 'content-manager.history.content.no-relations',
-              defaultMessage: 'No relations.',
-            })}
-          </StyledAlert>
-        </Box>
-      ) : (
         <Flex direction="column" gap={2} marginTop={1} alignItems="stretch">
           {results.map((relationData) => {
             // @ts-expect-error – targetModel does exist on the attribute. But it's not typed.
@@ -104,8 +95,11 @@ const CustomRelationInput = (props: RelationsFieldProps) => {
               </Flex>
             );
           })}
+        </Flex>
+      )}
       {meta.missingCount > 0 && (
         <StyledAlert
+          marginTop={1}
           variant="warning"
           title={formatMessage(
             {
@@ -126,7 +120,15 @@ const CustomRelationInput = (props: RelationsFieldProps) => {
           )}
         </StyledAlert>
       )}
-        </Flex>
+      {results.length === 0 && meta.missingCount === 0 && (
+        <Box marginTop={1}>
+          <StyledAlert variant="default">
+            {formatMessage({
+              id: 'content-manager.history.content.no-relations',
+              defaultMessage: 'No relations.',
+            })}
+          </StyledAlert>
+        </Box>
       )}
     </Box>
   );