[fenix] For https://github.com/mozilla-mobile/fenix/issues/20848 - Hide Download List delete icon in multiselect mode

app/src/main/java/org/mozilla/fenix/library/downloads/DownloadAdapter.kt

@@ -35,7 +35,7 @@ class DownloadAdapter(
     override fun onBindViewHolder(holder: DownloadsListItemViewHolder, position: Int) {
         val current = downloads[position]
         val isPendingDeletion = pendingDeletionIds.contains(current.id)
-        holder.bind(downloads[position], isPendingDeletion)
+        holder.bind(downloads[position], mode, isPendingDeletion)
     }
 
     fun updateDownloads(downloads: List<DownloadItem>) {

app/src/main/java/org/mozilla/fenix/library/downloads/viewholders/DownloadsListItemViewHolder.kt

@@ -14,7 +14,9 @@ import org.mozilla.fenix.selection.SelectionHolder
 import org.mozilla.fenix.library.downloads.DownloadInteractor
 import org.mozilla.fenix.library.downloads.DownloadItem
 import org.mozilla.fenix.ext.getIcon
+import org.mozilla.fenix.ext.hideAndDisable
 import org.mozilla.fenix.ext.showAndEnable
+import org.mozilla.fenix.library.downloads.DownloadFragmentState
 import org.mozilla.fenix.library.downloads.DownloadItemMenu
 
 class DownloadsListItemViewHolder(
@@ -31,8 +33,12 @@ class DownloadsListItemViewHolder(
         setupMenu()
     }
 
+    /**
+     * Binds the view in the [DownloadFragment].
+     */
     fun bind(
         item: DownloadItem,
+        mode: DownloadFragmentState.Mode,
         isPendingDeletion: Boolean = false
     ) {
         binding.downloadLayout.visibility = if (isPendingDeletion) {
@@ -56,6 +62,11 @@ class DownloadsListItemViewHolder(
             downloadInteractor.onDeleteSome(setOf(item))
         }
 
+        if (mode is DownloadFragmentState.Mode.Editing) {
+            binding.downloadLayout.overflowView.hideAndDisable()
+        } else {
+            binding.downloadLayout.overflowView.showAndEnable()
+        }
         this.item = item
     }