Alerting: Improved filters part 2 (#109738)

* refactor: split out form component into separate functions

* add storybook variation for infoOption in dropdown

* add tracking to search input for v2 view, tidy up tracking functions

* add tests for filter tracking

* refactor: boy-scouting V1 filter

* move FiltersV2 to rule-list directory

* fix lint issue

* resolve PR comments round 1

* resolve PR comments round 2- update file locations

* generate apis

* fix tests

* fix lint issue

* fix imports

packages/grafana-ui/src/components/Combobox/MultiCombobox.story.tsx

@@ -66,6 +66,31 @@ export const Basic: Story = {
   },
 };
 
+export const WithInfoOption: Story = {
+  name: 'With infoOption',
+  args: {
+    ...commonArgs,
+    options: [
+      ...commonArgs.options,
+      { label: 'Can’t find your country? Select “Other” or contact an admin', value: '__INFO__', infoOption: true },
+    ],
+  },
+  render: (args) => {
+    const [{ value }, setArgs] = useArgs();
+
+    return (
+      <MultiCombobox
+        {...args}
+        value={value}
+        onChange={(val) => {
+          onChangeAction(val);
+          setArgs({ value: val });
+        }}
+      />
+    );
+  },
+};
+
 export const AutoSize: Story = {
   args: { ...commonArgs, width: 'auto', minWidth: 20 },
   render: (args) => {