Improved layout, fixed transaction popup

lib/pages/transactions/widgets/transaction_add_dialog.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:tunas/domains/account/account_bloc.dart';
 import 'package:tunas/domains/category/category_bloc.dart';
 import 'package:tunas/domains/transaction/transaction_bloc.dart';
 import 'package:tunas/pages/transactions/widgets/transaction_form.dart';
@@ -18,6 +19,7 @@ class TransactionAddDialog extends StatelessWidget {
         providers: [
           BlocProvider.value(value: BlocProvider.of<TransactionBloc>(context)),
           BlocProvider.value(value: BlocProvider.of<CategoryBloc>(context)),
+          BlocProvider.value(value: BlocProvider.of<AccountBloc>(context)),
         ],
         child: const TransactionAddDialog()
       )
@@ -55,10 +57,7 @@ class TransactionAddDialog extends StatelessWidget {
       builder: (context, state) => AlertDialog(
         title: Text(state.currentTransaction == null ? 'Add Transaction' : 'Edit Transaction'),
         actions: _computeActions(context, state.currentTransaction),
-        content: const SizedBox(
-          height: 400,
-          child: TransactionForm(),
-        )
+        content: const TransactionForm()
       )
     );
   }