fix: Try to fix flaky cypress tests

Assisted-by: ClaudeCode:claude-fable-5
Signed-off-by: David Dreschner <david.dreschner@nextcloud.com>

Author: DerDreschner

apps/files/src/components/FileEntry/FileEntryActions.vue

@@ -18,10 +18,15 @@
 			class="files-list__row-action--inline" />
 
 		<!-- Menu actions -->
+		<!-- The popover is mounted into main.app-content: outside the virtual
+			list (whose re-renders while previews and share status load can orphan
+			a popover that is teleported into it, leaving an open-but-invisible
+			menu), but still inside the element the right-click positioning CSS
+			below targets. -->
 		<NcActions
 			ref="actionsMenu"
 			:boundaries-element="getBoundariesElement"
-			:container="getBoundariesElement"
+			container="main.app-content"
 			:force-name="true"
 			variant="tertiary"
 			:force-menu="enabledInlineActions.length === 0 /* forceMenu only if no inline actions */"