reverted some line in the Handle-fetchsite to powershell 5 commands

StackMonkey.ps1

@@ -266,10 +266,12 @@ function Handle-FetchSites {
     param($Context)
 
     # 1) Read incoming JSON (using block auto-disposes the reader)
+    
+    
+    <# powershell v7
       using ($reader = [IO.StreamReader]::new($Context.Request.InputStream)) {
         $raw = $reader.ReadToEnd()
     }
-
     try {
         $pw = (ConvertFrom-Json $raw).password
         if (-not $pw) { throw "Missing `password` field" }
@@ -278,6 +280,22 @@ function Handle-FetchSites {
         returnRespondEmpty $Context 400
         return
     }
+    #>
+
+    $reader = [IO.StreamReader]::new($Context.Request.InputStream)
+    try {
+        $raw = $reader.ReadToEnd()
+    } finally {
+        $reader.Close()
+    }
+
+     try {
+        $pw = (ConvertFrom-Json $raw).password
+    } catch {
+        Write-LogHybrid "Invalid JSON in /getpw payload: $($_.Exception.Message)" "Error" "FetchSites"
+        returnRespondEmpty $Context
+        return
+    }
 
     # 2) Fetch your Datto API creds from the webhook
     Write-LogHybrid "Calling webhook for Datto credentials…" "Info" "FetchSites"