Flutter upgrader

lib/main_app.dart

@@ -286,6 +286,7 @@ class InvoiceNinjaAppState extends State<InvoiceNinjaApp> {
                     ? ThemeData(
                         colorScheme: ColorScheme.dark().copyWith(
                           secondary: accentColor,
+                          primary: accentColor,
                         ),
                         pageTransitionsTheme: pageTransitionsTheme,
                         indicatorColor: accentColor,

lib/ui/app/buttons/elevated_button.dart

@@ -31,15 +31,25 @@ class AppButton extends StatelessWidget {
         elevation: 4,
         textStyle: TextStyle(
           color: Colors.white,
-          )),
+        ),
+      ),
       child: iconData != null
           ? IconText(
               icon: iconData,
               text: label,
               alignment: MainAxisAlignment.center,
+              style: TextStyle(
+                color: Colors.white,
+              ),
             )
           : SizedBox(
-              child: Text(label, overflow: TextOverflow.ellipsis),
+              child: Text(
+                label,
+                overflow: TextOverflow.ellipsis,
+                style: TextStyle(
+                  color: Colors.white,
+                ),
+              ),
               height: 24,
             ),
       onPressed: onPressed,