anki-np: Fix installation

Anki's installer does not work with quoted args
related: ScoopInstaller/Scoop#5065

Author: issaclin32

bucket/anki-np.json

@@ -14,12 +14,16 @@
     },
     "installer": {
         "script": [
-            "Invoke-ExternalCommand \"$dir\\installer.exe\" -ArgumentList @('/S', \"/D=$dir\") -RunAs | Out-Null",
+            "if (!(is_admin)) { error \"$app requires admin rights to $cmd\"; break }",
+            "Start-Process -Wait \"$dir\\installer.exe\" -ArgumentList @('/S', \"/D=$dir\") -Verb RunAs | Out-Null",
             "Remove-Item \"$([Environment]::GetFolderPath('commonstartmenu'))\\Programs\\Anki.lnk\""
         ]
     },
     "uninstaller": {
-        "script": "Invoke-ExternalCommand \"$dir\\uninstall.exe\" -ArgumentList @('/S') -RunAs | Out-Null"
+        "script": [
+            "if (!(is_admin)) { error \"$app requires admin rights to $cmd\"; break }",
+            "Start-Process -Wait \"$dir\\uninstall.exe\" -ArgumentList '/S' -Verb RunAs | Out-Null"
+        ]
     },
     "bin": "anki.exe",
     "shortcuts": [