feat(core): support create cloud workspace (#5771)

close TOV-475

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packages/common/env/src/global.ts

@@ -32,6 +32,7 @@ export const runtimeFlagsSchema = z.object({
   enableEnhanceShareMode: z.boolean(),
   enablePayment: z.boolean(),
   enablePageHistory: z.boolean(),
+  allowLocalWorkspace: z.boolean(),
   // this is for the electron app
   serverUrlPrefix: z.string(),
   enableMoveDatabase: z.boolean(),