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/Export-ConfigurationData.ps1

@@ -10,8 +10,9 @@ function Export-ConfigurationData {
     )
     if ($result.Result) {
         try {
-            $ConfigurationData = @{
-                "Resources" = $(ConvertFrom-TreeView -TreeView $treeView -SkipRootNode)
+            $ConfigurationData = $script:ResolvedConfigurationData
+            if($null -eq $ConfigurationData){
+                throw "Keine aufgelöste ConfigurationData zum Exportieren vorhanden."
             }
                 
             Export-Hashtable -Hashtable $ConfigurationData -Path $result.FileName
@@ -21,4 +22,4 @@ function Export-ConfigurationData {
             [System.Windows.Forms.MessageBox]::Show("Export war nicht erfolgreich", "Info", [System.Windows.Forms.MessageBoxButtons]::OK, [System.Windows.Forms.MessageBoxIcon]::Error)
         }
     }
-}
+}