Use AbstractClient from flipper-frontend-core in fliper-ui-core

Summary: This stack attempts to start using flipper-frontend-core from flipper-ui-core. Currently, flipper-frontend-core contains lots of copy-pasted code from flipper-ui-core.

Reviewed By: lblasa

Differential Revision: D37139198

fbshipit-source-id: 042db7492c550e10ea72c32fd15001c141bf53f9

desktop/flipper-ui-core/src/dispatcher/handleOpenPluginDeeplink.tsx

@@ -122,6 +122,8 @@ export async function handleOpenPluginDeeplink(
   const client: Client | undefined = isDevicePlugin
     ? undefined
     : (deviceOrClient as Client);
+  // TODO: Remove at the end of migration
+  // @ts-expect-error
   const device: BaseDevice = isDevicePlugin
     ? (deviceOrClient as BaseDevice)
     : (deviceOrClient as Client).device;
@@ -507,6 +509,8 @@ async function selectDevicesAndClient(
             : c.plugins.has(params.pluginId),
       )
       .filter((c) => c.connected.get())
+      // TODO: Remove at the end of migration
+      // @ts-expect-error
       .filter((c) => availableDevices.includes(c.device));
 
     if (validClients.length === 1) {