add migration note for clarification

src/db-sql/migration.ts

@@ -225,7 +225,7 @@ const MIGRATIONS = [
   },
   {
     name: "008_remove_iViewContent_from_contacts",
-    // Recreate contacts without iViewContent: backup, drop, recreate, restore
+    // Recreate contacts without iViewContent (since we use hideTheirContent instead): backup, drop, recreate, restore
     sql: `
       PRAGMA foreign_keys = OFF;