Allow customizing a tabs' ID

Author: parlough

site/lib/src/components/common/tabs.dart

@@ -43,6 +43,7 @@ class DashTabs implements CustomComponent {
             isActive: tabIndex == 0,
             wrapperId: wrapperId,
             child: builder.build(tab.children),
+            saveId: tab.attributes['id'],
           ),
       ],
     );
@@ -115,9 +116,10 @@ class _DashTabPane extends StatelessComponent {
     required this.isActive,
     required this.wrapperId,
     required this.child,
+    String? saveId,
   }) : tabId = '$baseId-tab',
        panelId = '$baseId-tab-panel',
-       saveId = slugify(tabName);
+       saveId = saveId ?? slugify(tabName);
 
   final String tabName;
   final String tabId;

site/lib/src/style_hash.dart

@@ -2,4 +2,4 @@
 // dart format off
 
 /// The generated hash of the `main.css` file.
-const generatedStylesHash = 'MdSvtstM9vzn';
+const generatedStylesHash = 'nvTevrLjFn98';

src/content/platform-integration/platform-channels.md

@@ -175,7 +175,7 @@ platform side and vice versa:
 {:.table .table-striped}
 
 </Tab>
-<Tab name="C++">
+<Tab name="C++" id="cpp">
 
 | Dart               | C++                                                        |
 | ------------------ | ---------------------------------------------------------- |