Fixed: Select all selecting hidden items

Co-Authored-By: Mark McDowall <markus101@users.noreply.github.com>

frontend/src/Utilities/Table/toggleSelected.js

@@ -9,6 +9,10 @@ function toggleSelected(state, items, id, selected, shiftKey) {
     [id]: selected
   };
 
+  if (selected == null) {
+    delete selectedState[id];
+  }
+
   if (shiftKey && lastToggled) {
     const { lower, upper } = getToggledRange(items, id, lastToggled);