Refactor configuration data export and template loading functions

- Updated Export-ConfigurationData to use resolved configuration data directly and added error handling for missing data.
- Enhanced Load-Templates to streamline category loading and improve error handling for missing template directories.
- Removed Merge-ConfigurationData function as it is no longer needed.
- Refactored Merge-Templates to improve merging logic and handle default files more effectively.
- Introduced Get-TemplatePreviewData function to handle template preview data retrieval and merging.
- Added Import-OrderedPowerShellDataFile function to support ordered hashtable imports.
- Updated Update-ParametersPanel to handle parameter and variable tab updates more efficiently.
- Improved Update-TreeView to handle cases where resources are not found.
- Added new parameters to Environment.Default.psd1 for Active Directory configuration.
- Created new template BGW-LAN.psd1 for domain configuration.

Functions/Update-Treeview.ps1

@@ -5,13 +5,23 @@ function Update-TreeView {
     if ($null -ne $ConfigurationData) {
         $tempBuilder = [TreeViewBuilder]::new()
         $tempBuilder.control = $treeView
-        $tempBuilder.LoadTemplate($ConfigurationData['Resources'], "Deployment")
+        if($ConfigurationData.ContainsKey("Resources")){
+            $tempBuilder.LoadTemplate($ConfigurationData['Resources'], "Deployment")
+        }else{
+            $treeView.Nodes.Clear()
+            $treeView.Nodes.Add("No resources found") | Out-Null
+        }
         $statusBar.SetText("Status", "Merged: Anzeige aktualisiert")
         $stateManager.SetState("isMerged", $true)
+        $stateManager.SetState("isResolved", $null -ne $script:ResolvedConfigurationData)
         $stateManager.UpdateAllButtons()
 
         # Parameter und Variablen Panel aktualisieren
-        Update-ParametersPanel -ConfigurationData $ConfigurationData
+        if($null -ne $script:MergedConfigurationData){
+            Update-ParametersPanel -ConfigurationData $script:MergedConfigurationData
+        }else{
+            Update-ParametersPanel -ConfigurationData $ConfigurationData
+        }
 
     }
     else {
@@ -22,4 +32,4 @@ function Update-TreeView {
         # Panel ausblenden
         $parametersPanel.Visible = $false
     }
-}
+}