Restore copilot checks

These were removed a while ago in a failed attempt to fix commit generation. This commit reverts those changes so they are aligned with upstream once again

Author: pol-rivero

app/src/lib/api.ts

@@ -53,6 +53,7 @@ type ViewerCopilotResponse = {
       readonly copilotEndpoints: {
         readonly api: string
       }
+      readonly isCopilotDesktopEnabled: boolean
     }
   }
 }
@@ -2796,6 +2797,8 @@ export class API {
         copilotEndpoints {
           api
         }
+
+        isCopilotDesktopEnabled
       }
     }
     `
@@ -2813,7 +2816,7 @@ export class API {
       const { viewer } = json.data
       return {
         copilotEndpoint: viewer.copilotEndpoints.api,
-        isCopilotDesktopEnabled: !!viewer.copilotEndpoints.api,
+        isCopilotDesktopEnabled: viewer.isCopilotDesktopEnabled,
       }
     } catch (e) {
       log.warn(`fetchUserCopilotInfo: failed with endpoint ${this.endpoint}`, e)

app/src/lib/feature-flag.ts

@@ -90,6 +90,9 @@ export const enableResizingToolbarButtons = () => true
 
 export const enableCommitMessageGeneration = (account: Account) => {
   return (
+    (account.features ?? []).includes(
+      'desktop_copilot_generate_commit_message'
+    ) &&
     // IMPORTANT: Do not remove this feature flag without replacing its usages
     // with a check for the `isCopilotDesktopEnabled` property on the account.
     account.isCopilotDesktopEnabled