Allow to delete bbox even if there is no visible segmentation layer

CHANGELOG.unreleased.md

@@ -37,6 +37,7 @@ For upgrade instructions, please check the [migration guide](MIGRATIONS.released
 - Fixed a bug where you could not create annotations for public datasets of other organizations. [#8107](https://github.com/scalableminds/webknossos/pull/8107)
 - Users without edit permissions to a dataset can no longer delete sharing tokens via the API. [#8083](https://github.com/scalableminds/webknossos/issues/8083)
 - Fixed downloading task annotations of teams you are not in, when accessing directly via URI. [#8155](https://github.com/scalableminds/webknossos/pull/8155)
+- Deleting a bounding box is now possible independently of a visible segmentation layer. [#8164](https://github.com/scalableminds/webknossos/pull/8164)
 
 ### Removed
 

frontend/javascripts/oxalis/view/components/setting_input_views.tsx

@@ -554,7 +554,6 @@ class UserBoundingBoxInput extends React.PureComponent<UserBoundingBoxInputProps
       isLockedByOwner,
       isOwner,
     );
-    const isDeleteEnabled = !disabled && this.props.visibleSegmentationLayer != null;
 
     const getContextMenu = () => {
       const items: MenuProps["items"] = [
@@ -590,13 +589,13 @@ class UserBoundingBoxInput extends React.PureComponent<UserBoundingBoxInputProps
         },
         {
           key: "delete",
-          label: isDeleteEnabled ? (
+          label: !disabled ? (
             deleteButton
           ) : (
             <FastTooltip title={editingDisallowedExplanation}>{deleteButton}</FastTooltip>
           ),
           onClick: onDelete,
-          disabled: !isDeleteEnabled,
+          disabled,
         },
       ];