Refactor Export-AbrOntapDiagram to handle image format for Unix platforms and improve error messaging

Author: rebelinux

Src/Private/Export-AbrOntapDiagram.ps1

@@ -114,22 +114,17 @@ function Export-AbrOntapDiagram {
                 }
             }
             try {
-                if ($PSVersionTable.Platform -ne 'Unix') {
-                    $DiagramParams.Remove('Format')
-                    $DiagramParams.Add('Format', "base64")
+                $DiagramParams.Remove('Format')
+                $DiagramParams.Add('Format', "base64")
 
-                    $Graph = $DiagramObject
-                    $Diagram = New-Diagrammer @DiagramParams -InputObject $Graph
-                    if ($Diagram) {
-                        if ((Get-DiaImagePercent -GraphObj $Diagram).Width -gt 600) { $ImagePrty = 40 } else { $ImagePrty = 30 }
-                        Section -Style Heading2 $MainDiagramLabel {
-                            Image -Base64 $Diagram -Text "NetApp Ontap Diagram" -Percent $ImagePrty -Align Center
-                            Paragraph "Image preview: Opens the image in a new tab to view it at full resolution." -Tabs 2
-                        }
+                $Graph = $DiagramObject
+                $Diagram = New-Diagrammer @DiagramParams -InputObject $Graph
+                if ($Diagram) {
+                    if ((Get-DiaImagePercent -GraphObj $Diagram).Width -gt 600) { $ImagePrty = 40 } else { $ImagePrty = 30 }
+                    Section -Style Heading2 $MainDiagramLabel {
+                        Image -Base64 $Diagram -Text "NetApp Ontap Diagram" -Percent $ImagePrty -Align Center
+                        Paragraph "Image preview: Opens the image in a new tab to view it at full resolution." -Tabs 2
                     }
-                } else {
-                    Write-PScriboMessage -IsWarning -Message "PSCribo Images embedding is not supported on PowerShell Core running on Linux or MacOS."
-
                 }
             } catch {
                 Write-PScriboMessage -IsWarning -Message "Unable to generate the Ontap Diagram: $($_.Exception.Message)"