Fix missing input source in dropdown and update metadata

- Add current input to options if monitor doesn't report it in possible values
- Never hide the currently active input port in config filtering
- Make GetInputSourceName public for reuse
- Update company to MarketAlly, author to David H. Friedel Jr
- Add application icon to exe

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

DellMonitorControl/MainWindow.xaml.cs

@@ -181,6 +181,15 @@ public partial class MainWindow : Window
                     var inputOptions = await CMMCommand.GetInputSourceOptions(m.SerialNumber);
                     DebugLogger.Log($"  Input options count: {inputOptions.Count}");
 
+                    // Some monitors don't report current input in their possible values list
+                    // Add it if missing so user can see what's currently selected
+                    if (inputSource.HasValue && !inputOptions.Any(o => o.Value == inputSource.Value))
+                    {
+                        var currentInputName = CMMCommand.GetInputSourceName(inputSource.Value);
+                        inputOptions.Insert(0, new InputSourceOption(inputSource.Value, currentInputName));
+                        DebugLogger.Log($"  Added missing current input: {inputSource.Value} ({currentInputName})");
+                    }
+
                     DebugLogger.Log($"  Getting power status...");
                     var powerStatus = await CMMCommand.GetMonPowerStatus(m.SerialNumber) ?? "Unknown";
                     DebugLogger.Log($"  Power status: {powerStatus}");
@@ -188,7 +197,8 @@ public partial class MainWindow : Window
                     _loadedMonitors.Add((m, inputOptions));
 
                     // Apply config to filter hidden ports and use custom labels
-                    var filteredOptions = MonitorConfigManager.ApplyConfigToOptions(m.SerialNumber, inputOptions);
+                    // Pass currentInput so we never hide the currently active port
+                    var filteredOptions = MonitorConfigManager.ApplyConfigToOptions(m.SerialNumber, inputOptions, inputSource);
                     DebugLogger.Log($"  Filtered options count: {filteredOptions.Count}");
 
                     // Monitor name header with Config button