opt ui

Signed-off-by: dom <githubaccount56556@proton.me>

lib/scripts/navigation_drawer.patch

@@ -1,8 +1,28 @@
 diff --git a/packages/flutter/lib/src/material/navigation_drawer.dart b/packages/flutter/lib/src/material/navigation_drawer.dart
-index 8a16764cb0c..6b8545c3781 100644
+index 8a16764cb0c..031c2267d97 100644
 --- a/packages/flutter/lib/src/material/navigation_drawer.dart
 +++ b/packages/flutter/lib/src/material/navigation_drawer.dart
-@@ -410,7 +410,7 @@ class _NavigationDestinationBuilder extends StatelessWidget {
+@@ -67,8 +67,11 @@ class NavigationDrawer extends StatelessWidget {
+     this.onDestinationSelected,
+     this.selectedIndex = 0,
+     this.tilePadding = const EdgeInsets.symmetric(horizontal: 12.0),
++    this.flex = 1,
+   });
+ 
++  final int flex;
++
+   /// The background color of the [Material] that holds the [NavigationDrawer]'s
+   /// contents.
+   ///
+@@ -192,6 +195,7 @@ class NavigationDrawer extends StatelessWidget {
+           children: <Widget>[
+             ?header,
+             Expanded(
++              flex: flex,
+               child: Material(
+                 type: MaterialType.transparency,
+                 child: ListView(children: wrappedChildren),
+@@ -410,7 +414,7 @@ class _NavigationDestinationBuilder extends StatelessWidget {
        child: _NavigationDestinationSemantics(
          child: SizedBox(
            height: navigationDrawerTheme.tileHeight ?? defaults.tileHeight,