[Query Copilot] Allocation of container and copilot request sent to Phoenix endpoint (#1576)

* Switch to tools federation endpoints for query copilot

* Remove extra / in url

* Initial allocateContainer implementation

* Additional feedback modal changes

* updated tests

* PhoenixClient reverted to previous endpoint

* Changes based on PR comments

* Update based on tests

* updated endpoint

* Back to previous implementation and test improve

* removing notebook

---------

Co-authored-by: Victor Meng <vimeng@microsoft.com>
Co-authored-by: Predrag Klepic <v-prklepic@microsoft.com>

src/Explorer/Explorer.tsx

@@ -395,7 +395,7 @@ export default class Explorer {
     ) {
       const provisionData: IProvisionData = {
         cosmosEndpoint: userContext?.databaseAccount?.properties?.documentEndpoint,
-        poolId: PoolIdType.DefaultPoolId,
+        poolId: PoolIdType.QueryCopilot,
       };
       const connectionStatus: ContainerConnectionInfo = {
         status: ConnectionStatusType.Connecting,