[email protected]: Fix persistence (#16915)

Author: abgox

bucket/pscompletions.json

@@ -18,6 +18,12 @@
         "    '{}' | Out-File -FilePath \"$dir\\data.json\" -Encoding utf8 -Force",
         "}"
     ],
+    "post_install": [
+        "if (Test-Path \"$dir\\completions.original\") {",
+        "    Copy-Item -Path \"$dir\\completions.original\\*\" -Destination \"$dir\\completions\" -Force -Recurse",
+        "    Remove-Item \"$dir\\completions.original\" -Force -Recurse | Out-Null",
+        "}"
+    ],
     "psmodule": {
         "name": "PSCompletions"
     },