fix: add type definition for disablePoppingOnBackspace prop (#554)

* Adding disablePoppingOnBackspace prop/implementing

* Adding test for disablePoppingOnBackspace

* Updating snapshot index.test.js.md

* Updating snapshot index.test.js.md

* Updating docs with disablePoppingOnBackspaceProp

* Removing snapshot

* Adding snapshot back

* Removing redundant assertion

* Fix: adding missing disablePoppingOnBackspace prop

Co-authored-by: Hrusikesh Panda <[email protected]>

Author: r-zane-spalding

types/react-dropdown-tree-select.d.ts

@@ -99,6 +99,10 @@ declare module 'react-dropdown-tree-select' {
     searchPredicate?: (currentNode: TreeNode, searchTerm: string) => boolean
     /** inlineSearchInput=true Makes the search input renders inside the dropdown-content. Defaults to `false` */
     inlineSearchInput?: boolean
+    /** disablePoppingOnBackspace=true indicates that when a user triggers a 'backspace' keyDown in the empty
+     * search bar, the tree will not deselect nodes.
+     */
+    disablePoppingOnBackspace?: boolean
   }
 
   export interface DropdownTreeSelectState {