fix(datatables): deselect row (#4122)

* fix(datatables): deselect row

* fix(datatables): enable batch select

* fix(registry): select registry items

app/portainer/components/datatables/genericDatatableController.js

@@ -57,7 +57,7 @@ angular.module('portainer.app').controller('GenericDatatableController', [
         const itemsInRange = _.filter(this.state.filteredDataSet, (item, index) => {
           return isBetween(index, firstItemIndex, lastItemIndex);
         });
-        const value = item.Checked;
+        const value = this.state.firstClickedItem.Checked;
 
         _.forEach(itemsInRange, (i) => {
           if (!this.allowSelection(i)) {
@@ -67,7 +67,7 @@ angular.module('portainer.app').controller('GenericDatatableController', [
         });
         this.state.firstClickedItem = item;
       } else if (event) {
-        item.Checked = true;
+        item.Checked = !item.Checked;
         this.state.firstClickedItem = item;
       }
       this.state.selectedItems = this.state.filteredDataSet.filter((i) => i.Checked);

app/portainer/views/registries/create/createRegistryController.js

@@ -21,7 +21,12 @@ angular.module('portainer.app').controller('CreateRegistryController', [
     $scope.state = {
       actionInProgress: false,
       overrideConfiguration: false,
-      gitlab: {},
+      gitlab: {
+        get selectedItemCount() {
+          return this.selectedItems.length || 0;
+        },
+        selectedItems: [],
+      },
     };
 
     function selectQuayRegistry() {