Fixed: Drag and Drop Causes Flashing and Disappearing Cards (#6065)

Issue was "inView" was setting false due to root being scrollWrapper,
instead changed it to viewport.
Fixes: #6001 
[Screencast from 2024-06-27
22-50-59.webm](https://github.com/twentyhq/twenty/assets/59247136/408d5fb5-91ab-4d3a-881d-bbcaf4817a79)

---------

Co-authored-by: Lucas Bordeau <bordeau.lucas@gmail.com>

packages/twenty-front/src/modules/apollo/optimistic-effect/utils/triggerUpdateRecordOptimisticEffect.ts

@@ -39,7 +39,7 @@ export const triggerUpdateRecordOptimisticEffect = ({
     fields: {
       [objectMetadataItem.namePlural]: (
         rootQueryCachedResponse,
-        { DELETE, readField, storeFieldName, toReference },
+        { readField, storeFieldName, toReference },
       ) => {
         const shouldSkip = !isObjectRecordConnectionWithRefs(
           objectMetadataItem.nameSingular,
@@ -64,7 +64,6 @@ export const triggerUpdateRecordOptimisticEffect = ({
 
         const rootQueryFilter = rootQueryVariables?.filter;
         const rootQueryOrderBy = rootQueryVariables?.orderBy;
-        const rootQueryLimit = rootQueryVariables?.first;
 
         const shouldTryToMatchFilter = isDefined(rootQueryFilter);
 
@@ -123,56 +122,6 @@ export const triggerUpdateRecordOptimisticEffect = ({
           });
         }
 
-        const shouldLimitNextRootQueryEdges = isDefined(rootQueryLimit);
-
-        // TODO: not sure that we should trigger a DELETE here, as it will trigger a network request
-        // Is it the responsibility of this optimistic effect function to delete a root query that will trigger a network request ?
-        // Shouldn't we let the response from the network overwrite the cache and keep this util purely about cache updates ?
-        //
-        // Shoud we even apply the limit at all since with pagination we cannot really do optimistic rendering and should
-        // wait for the network response to update the cache
-        //
-        // Maybe we could apply a merging function instead and exclude limit from the caching field arguments ?
-        // Also we have a problem that is not yet present with this but may arise if we start
-        //   to use limit arguments, as for now we rely on the hard coded limit of 60 in pg_graphql.
-        // This is as if we had a { limit: 60 } argument in every query but we don't.
-        //   so Apollo correctly merges the return of fetchMore for now, because of this,
-        //   but wouldn't do it well like Thomas had the problem with mail threads
-        //   because he applied a limit of 2 and Apollo created one root query in the cache for each.
-        // In Thomas' case we should implement this because he use a hack to overwrite the first request with the return of the other.
-        // See: https://www.apollographql.com/docs/react/pagination/cursor-based/#relay-style-cursor-pagination
-        // See: https://www.apollographql.com/docs/react/pagination/core-api/#merging-queries
-        if (shouldLimitNextRootQueryEdges) {
-          // If previous edges length was exactly at the required limit,
-          // but after update next edges length is under the limit,
-          // we cannot for sure know if re-fetching the query
-          // would return more edges, so we cannot optimistically deduce
-          // the query's result.
-          // In this case, invalidate the cache entry so it can be re-fetched.
-          const rootQueryCurrentCachedRecordEdgesLengthIsAtLimit =
-            rootQueryCurrentEdges.length === rootQueryLimit;
-
-          // If next edges length is under limit, then we can wait for the network response and merge the result
-          //   then in the merge function we could implement this mechanism to limit the number of edges in the cache
-          const rootQueryNextCachedRecordEdgesLengthIsUnderLimit =
-            rootQueryNextEdges.length < rootQueryLimit;
-
-          const shouldDeleteRootQuerySoItCanBeRefetched =
-            rootQueryCurrentCachedRecordEdgesLengthIsAtLimit &&
-            rootQueryNextCachedRecordEdgesLengthIsUnderLimit;
-
-          if (shouldDeleteRootQuerySoItCanBeRefetched) {
-            return DELETE;
-          }
-
-          const rootQueryNextCachedRecordEdgesLengthIsAboveRootQueryLimit =
-            rootQueryNextEdges.length > rootQueryLimit;
-
-          if (rootQueryNextCachedRecordEdgesLengthIsAboveRootQueryLimit) {
-            rootQueryNextEdges.splice(rootQueryLimit);
-          }
-        }
-
         return {
           ...rootQueryConnection,
           edges: rootQueryNextEdges,