chore: add server switcher (#2717)

* wip

* wip2

* refactor: use radio button group

* chore: add persisting host per workspace

* chore: header style

* chore: update server picker title style

* chore: margin

* chore: label

* chore: remove separator

* rename migration to latest snjs version

---------

Co-authored-by: Aman Harwara <amanharwara@protonmail.com>

packages/snjs/lib/Migrations/Versions/2_204_8.ts

@@ -0,0 +1,27 @@
+import { ApplicationStage, StorageKey } from '@standardnotes/services'
+import { Migration } from '@Lib/Migrations/Migration'
+
+export class Migration2_204_8 extends Migration {
+  static override version(): string {
+    return '2.204.8'
+  }
+
+  protected registerStageHandlers(): void {
+    this.registerStageHandler(ApplicationStage.Launched_10, async () => {
+      await this.migrateHostKeyStoredToWorkspaceIdentified()
+
+      this.markDone()
+    })
+  }
+
+  private async migrateHostKeyStoredToWorkspaceIdentified(): Promise<void> {
+    const existingHostKeyValue = this.services.storageService.getValue<string | undefined>(StorageKey.ServerHost)
+    if (existingHostKeyValue === undefined) {
+      return
+    }
+
+    this.services.storageService.setValue(`${StorageKey.ServerHost}:${this.services.identifier}`, existingHostKeyValue)
+
+    await this.services.storageService.removeValue(StorageKey.ServerHost)
+  }
+}