[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

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

src/Common/Constants.ts

@@ -358,6 +358,7 @@ export enum ContainerStatusType {
 
 export enum PoolIdType {
   DefaultPoolId = "default",
+  QueryCopilot = "query-copilot",
 }
 
 export const EmulatorMasterKey =