moonlight-nightly: Fix persist error

```
Persisting Moonlight Game Streaming Project/Moonlight.ini
New-Item: ...\scoop\apps\scoop\current\lib\install.ps1:491
Line |
 491 |  …             New-Item -Path $source -ItemType HardLink -Value $target  …
     |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     | The system cannot find the path specified.
```

bucket/moonlight-nightly.json

@@ -1,5 +1,5 @@
 {
-    "version": "2573",
+    "version": "2580",
     "description": "GameStream client for PCs (Windows, Mac, Linux, and Steam Link)",
     "homepage": "https://moonlight-stream.org",
     "license": "GPL-3.0-only",
@@ -8,27 +8,23 @@
     },
     "architecture": {
         "64bit": {
-            "url": "https://ci.appveyor.com/api/buildjobs/getnauxr42ikc0ax/artifacts/MoonlightPortable-x64-r2573.zip",
-            "hash": "898aea331284859aea65a54a73749c6cf7e6da12594bb8ea2dec2946f18b34bd"
+            "url": "https://ci.appveyor.com/api/buildjobs/57s294gg9s6rbinq/artifacts/MoonlightPortable-x64-r2580.zip",
+            "hash": "e2f9b2afeb8feee3186a9ba049e7e5510dbd74605aaf4b0869f74e90fe2450e4"
         },
         "arm64": {
-            "url": "https://ci.appveyor.com/api/buildjobs/getnauxr42ikc0ax/artifacts/MoonlightPortable-arm64-r2573.zip",
-            "hash": "83bde6facc0ff44151ea4e0ee59403da6cdf752f14ffb9c8eba81228353000f2"
+            "url": "https://ci.appveyor.com/api/buildjobs/57s294gg9s6rbinq/artifacts/MoonlightPortable-arm64-r2580.zip",
+            "hash": "37813c7ef8566785c5a68599775c674d6e491f6717ff889129cc4fd88cb441be"
         }
     },
-    "pre_install": [
-        "if (Test-Path \"$persist_dir$($ini = '/Moonlight Game Streaming Project/Moonlight.ini')\") { return }",
-        "$null = New-Item -ItemType Directory \"$dir/Moonlight Game Streaming Project\"",
-        "$null = New-Item -ItemType File \"$dir$ini\""
-    ],
+    "pre_install": "if (!(Test-Path \"$persist_dir$($cfg = '/Moonlight Game Streaming Project')\")) { $null = New-Item -ItemType Directory \"$dir$cfg\" }",
     "bin": "Moonlight.exe",
     "shortcuts": [
         [
             "Moonlight.exe",
             "Moonlight"
         ]
     ],
-    "persist": "Moonlight Game Streaming Project/Moonlight.ini",
+    "persist": "Moonlight Game Streaming Project",
     "checkver": {
         "script": [
             "$build = (Invoke-RestMethod https://ci.appveyor.com/api/projects/cgutman/moonlight-qt).Build",