feat: update SDK and GUI versions, add debugger protection settings

- Updated SDK_DECODER_SEMVER to "1.3.0" and GUI_SEMVER to "1.2.4" in config.ini.
- Updated MailViewer component to handle PDF already open error and improved iframe handling.
- Removed deprecated useMsgConverter setting from settings page.
- Added IsDebuggerRunning function to check for attached debuggers and quit the app if detected.
- Enhanced PDF viewer to prevent infinite loading and improved error handling.

Co-Authored-By: Laky-64 <iraci.matteo@gmail.com>

go.mod

@@ -4,7 +4,6 @@ go 1.24.4
 
 require (
 	github.com/jaypipes/ghw v0.21.2
-	github.com/richardlehane/mscfb v1.0.6
 	github.com/wailsapp/wails/v2 v2.11.0
 	golang.org/x/sys v0.40.0
 	golang.org/x/text v0.22.0
@@ -29,7 +28,6 @@ require (
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/richardlehane/msoleps v1.0.3 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/samber/lo v1.49.1 // indirect
 	github.com/tkrajina/go-reflector v0.5.8 // indirect