Refactor ModernGlassButton to accept customizable padding

b0esche_cloud/lib/pages/public_file_viewer.dart

@@ -336,6 +336,7 @@ class _PublicFileViewerState extends State<PublicFileViewer> {
                 padding: const EdgeInsets.only(left: 16, top: 4),
                 child: ModernGlassButton(
                   onPressed: _downloadFile,
+                  padding: EdgeInsets.zero,
                   child: SizedBox(
                     width: 80,
                     child: const Center(child: Icon(Icons.download, size: 24)),

b0esche_cloud/lib/theme/modern_glass_button.dart

@@ -6,11 +6,13 @@ class ModernGlassButton extends StatefulWidget {
   final VoidCallback onPressed;
   final Widget child;
   final bool isLoading;
+  final EdgeInsets padding;
 
   const ModernGlassButton({
     required this.onPressed,
     required this.child,
     this.isLoading = false,
+    this.padding = const EdgeInsets.symmetric(horizontal: 24, vertical: 8),
     super.key,
   });
 
@@ -85,10 +87,7 @@ class _ModernGlassButtonState extends State<ModernGlassButton>
                 child: BackdropFilter(
                   filter: ImageFilter.blur(sigmaX: 15, sigmaY: 15),
                   child: Container(
-                    padding: const EdgeInsets.symmetric(
-                      horizontal: 24,
-                      vertical: 8,
-                    ),
+                    padding: widget.padding,
                     decoration: BoxDecoration(
                       borderRadius: BorderRadius.circular(12),
                       gradient: LinearGradient(