Fix animation

Signed-off-by: marinofaggiana <ios@nextcloud.com>

iOSClient/Data/NCDataSource.swift

@@ -201,6 +201,7 @@ class NCDataSource: NSObject {
 
     // MARK: -
 
+    @discardableResult
     func appendMetadatasToSection(_ metadatas: [tableMetadata], metadataForSection: NCMetadataForSection, lastSearchResult: NCCSearchResult) -> [IndexPath] {
         
         guard let sectionIndex =  getSectionIndex(metadataForSection.sectionValue) else { return [] }

iOSClient/Main/Collection Common/NCCollectionViewCommon.swift

@@ -1845,7 +1845,7 @@ extension NCCollectionViewCommon: UICollectionViewDelegateFlowLayout {
             }
         }
 
-        if isSearching || collectionView.collectionViewLayout == gridLayout || dataSource.numberOfSections() > 1 {
+        if isSearching || layoutForView?.layout == NCGlobal.shared.layoutGrid || dataSource.numberOfSections() > 1 {
             if section == 0 {
                 return (getHeaderHeight(), headerRichWorkspace, NCGlobal.shared.heightSection)
             } else {