refactor: tidy up entityId

packages/core/admin/admin/src/content-manager/components/RelationInput/RelationInput.js

@@ -98,11 +98,15 @@ const RelationInput = ({
 
   const options = useMemo(
     () =>
-      data.flat().map((result) => ({
-        ...result,
-        value: result.id,
-        label: result.mainField,
-      })),
+      data.flat().map((result) =>
+        result
+          ? {
+              ...result,
+              value: result.id,
+              label: result.mainField,
+            }
+          : result
+      ),
     [data]
   );
 

packages/core/admin/admin/src/content-manager/components/RelationInputDataManager/RelationInputDataManager.js

@@ -18,6 +18,7 @@ import { connect, select, normalizeSearchResults, diffRelations, normalizeRelati
 export const RelationInputDataManager = ({
   error,
   componentId,
+  isComponentRelation,
   editable,
   description,
   intlLabel,
@@ -64,7 +65,8 @@ export const RelationInputDataManager = ({
       endpoint: endpoints.search,
       pageParams: {
         ...defaultParams,
-        entityId: isCreatingEntry ? undefined : componentId ?? initialData.id,
+        // eslint-disable-next-line no-nested-ternary
+        entityId: isCreatingEntry ? undefined : isComponentRelation ? componentId : initialData.id,
         pageSize: SEARCH_RESULTS_TO_DISPLAY,
       },
     },
@@ -212,6 +214,7 @@ RelationInputDataManager.defaultProps = {
   error: undefined,
   description: '',
   labelAction: null,
+  isComponentRelation: false,
   isFieldAllowed: true,
   placeholder: null,
   required: false,
@@ -229,6 +232,7 @@ RelationInputDataManager.propTypes = {
   }).isRequired,
   labelAction: PropTypes.element,
   isCreatingEntry: PropTypes.bool.isRequired,
+  isComponentRelation: PropTypes.bool,
   isFieldAllowed: PropTypes.bool,
   isFieldReadable: PropTypes.bool.isRequired,
   mainField: PropTypes.shape({

packages/core/admin/admin/src/content-manager/components/RelationInputDataManager/utils/select.js

@@ -82,6 +82,7 @@ function useSelect({
 
   return {
     componentId,
+    isComponentRelation: Boolean(componentUid),
     queryInfos: {
       ...queryInfos,
       endpoints: {