Refactor and enhance UI components

- Updated `CableInfoWidget` to include a TODO comment regarding manufacturer verification.
- Refactored `CustomTab` and `CustomTabWidget` to remove notification label functionality, simplifying the class structure.
- Improved `DeviceInfoWidget` by adding a destructor to manage graphics view memory and initializing graphics scene properly.
- Introduced `DiskUsageBar` and `DiskUsageWidget` classes to manage disk usage visualization, including hover popover functionality for detailed information.
- Enhanced `MediaPreviewDialog` to include more descriptive window titles and adjusted status label styling based on platform.
- Added platform-specific functionality in `macos.h` and `macos.mm` for popover management.
- Cleaned up `ToolboxWidget` by adjusting label styles and removing fixed sizes for better responsiveness.

src/toolboxwidget.cpp

@@ -167,7 +167,6 @@ ClickableWidget *ToolboxWidget::createToolbox(iDescriptorTool tool,
 {
     ClickableWidget *b = new ClickableWidget();
     b->setStyleSheet("padding: 5px; border: none; outline: none;");
-    b->setFixedSize(200, 120);
 
     QVBoxLayout *layout = new QVBoxLayout(b);
 
@@ -235,15 +234,13 @@ ClickableWidget *ToolboxWidget::createToolbox(iDescriptorTool tool,
     }
     // Title
     QLabel *titleLabel = new QLabel(title);
-    titleLabel->setFont(QFont("Arial", 10, QFont::Bold));
     titleLabel->setAlignment(Qt::AlignCenter);
 
     // Description
     QLabel *descLabel = new QLabel(description);
-    descLabel->setFont(QFont("Arial", 8));
     descLabel->setWordWrap(true);
     descLabel->setAlignment(Qt::AlignCenter);
-    descLabel->setStyleSheet("color: #666;");
+    descLabel->setStyleSheet("color: #666; font-size: 12px;");
 
     layout->addWidget(iconLabel);
     layout->addWidget(titleLabel);