Renames serial mapping file path UI labels

Updates UI labels, tooltips, message boxes, dialog titles, and corresponding documentation to use "Serial Computer Names CSV Mapping File Path" instead of "SerialComputerNames.csv File Path" to improve clarity and presentation.

Co-authored-by: Copilot <copilot@github.com>

FFUDevelopment/BuildFFUVM_UI.ps1

@@ -538,7 +538,7 @@ $script:uiState.Controls.btnRun.Add_Click({
 
                 $hasSavedSerialComputerNamesPath = -not [string]::IsNullOrWhiteSpace([string]$config.DeviceNameSerialComputerNamesPath) -and (Test-Path -Path $config.DeviceNameSerialComputerNamesPath -PathType Leaf)
                 if ((($null -eq $config.DeviceNameSerialComputerNames) -or ($config.DeviceNameSerialComputerNames.Count -eq 0)) -and -not $hasSavedSerialComputerNamesPath) {
-                    [System.Windows.MessageBox]::Show("Enter CSV content or choose a valid SerialComputerNames.csv file before using 'Specify Serial to Device Name Mapping'.", "Serial Mapping Required", "OK", "Warning") | Out-Null
+                    [System.Windows.MessageBox]::Show("Enter CSV content or choose a valid Serial Computer Names CSV Mapping File Path before using 'Specify Serial to Device Name Mapping'.", "Serial Mapping Required", "OK", "Warning") | Out-Null
                     $btnRun.IsEnabled = $true
                     $script:uiState.Controls.txtStatus.Text = "Build canceled: serial computer-name mapping required."
                     return

FFUDevelopment/BuildFFUVM_UI.xaml

@@ -965,14 +965,14 @@
                                             </StackPanel>
                                             <RadioButton x:Name="rbDeviceNamingSerialComputerNames" Content="Specify Serial to Device Name Mapping" GroupName="DeviceNamingMode" Margin="0,8,0,8" ToolTip="Create or import a SerialComputerNames.csv file. This option requires Copy Unattend.xml."/>
                                             <StackPanel x:Name="deviceNameSerialComputerNamesPanel" Margin="32,0,0,0" Visibility="Collapsed">
-                                                <TextBlock Text="SerialComputerNames.csv File Path" Margin="0,0,0,8" TextWrapping="Wrap"/>
+                                                <TextBlock Text="Serial Computer Names CSV Mapping File Path" Margin="0,0,0,8" TextWrapping="Wrap"/>
                                                 <Grid Margin="0,0,0,8">
                                                     <Grid.ColumnDefinitions>
                                                         <ColumnDefinition Width="*"/>
                                                         <ColumnDefinition Width="Auto"/>
                                                     </Grid.ColumnDefinitions>
                                                     <TextBox x:Name="txtDeviceNameSerialComputerNamesPath" Grid.Column="0" VerticalAlignment="Center" ToolTip="Path to the serial-to-device-name mapping CSV file. You can use any file name."/>
-                                                    <Button x:Name="btnBrowseDeviceNameSerialComputerNamesPath" Grid.Column="1" Content="Browse..." Padding="12,4" Margin="8,0,0,0" VerticalAlignment="Center" ToolTip="Browse to a SerialComputerNames.csv source file path."/>
+                                                    <Button x:Name="btnBrowseDeviceNameSerialComputerNamesPath" Grid.Column="1" Content="Browse..." Padding="12,4" Margin="8,0,0,0" VerticalAlignment="Center" ToolTip="Browse to the serial-to-device-name mapping CSV source file path."/>
                                                 </Grid>
                                                 <TextBlock Text="Enter CSV content with SerialNumber and ComputerName headers. Each row maps one BIOS serial number to one computer name during deployment." Margin="0,0,0,4" TextWrapping="Wrap"/>
                                                 <TextBlock Text="Example: SerialNumber,ComputerName" Margin="0,0,0,8" TextWrapping="Wrap" Opacity="0.75"/>

FFUDevelopment/FFUUI.Core/FFUUI.Core.Handlers.psm1

@@ -688,7 +688,7 @@ function Register-EventHandlers {
                 Split-Path $currentSerialComputerNamesPath -Parent
             }
             $fileName = if ([string]::IsNullOrWhiteSpace($currentSerialComputerNamesPath)) { 'SerialComputerNames.csv' } else { Split-Path $currentSerialComputerNamesPath -Leaf }
-            $selectedPath = Invoke-BrowseAction -Type 'OpenFile' -Title 'Select SerialComputerNames.csv file path' -Filter 'CSV files (*.csv)|*.csv|All files (*.*)|*.*' -InitialDirectory $initialDirectory -FileName $fileName
+            $selectedPath = Invoke-BrowseAction -Type 'OpenFile' -Title 'Select Serial Computer Names CSV Mapping File Path' -Filter 'CSV files (*.csv)|*.csv|All files (*.*)|*.*' -InitialDirectory $initialDirectory -FileName $fileName
             if (Import-SerialComputerNamesFile -State $localState -FilePath $selectedPath) {
                 Update-DeviceNamingControls -State $localState
             }
@@ -786,7 +786,7 @@ function Register-EventHandlers {
             }
 
             if ([string]::IsNullOrWhiteSpace($currentSerialComputerNamesPath)) {
-                [System.Windows.MessageBox]::Show("Select a valid SerialComputerNames.csv file path before saving the serial mapping.", "Serial Mapping File Path Required", "OK", "Warning") | Out-Null
+                [System.Windows.MessageBox]::Show("Select a valid Serial Computer Names CSV Mapping File Path before saving the serial mapping.", "Serial Mapping File Path Required", "OK", "Warning") | Out-Null
                 return
             }