Set default subtitle for list tiles

lib/ui/app/entities/entity_list_tile.dart

@@ -4,6 +4,7 @@ import 'package:flutter/rendering.dart';
 
 // Package imports:
 import 'package:flutter_redux/flutter_redux.dart';
+import 'package:invoiceninja_flutter/utils/formatting.dart';
 import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
 
 // Project imports:
@@ -97,6 +98,26 @@ class _EntityListTileState extends State<EntityListTile> {
             ),
           );
 
+    String defaultSubtitle = '';
+    final entity = widget.entity;
+
+    if (entity is InvoiceEntity) {
+      defaultSubtitle =
+          formatNumber(entity.amount, context, clientId: entity.clientId) +
+              ' • ' +
+              formatDate(entity.date, context);
+    } else if (entity is PaymentEntity) {
+      defaultSubtitle =
+          formatNumber(entity.amount, context, clientId: entity.clientId) +
+              ' • ' +
+              formatDate(entity.date, context);
+    } else if (entity is TransactionEntity) {
+      defaultSubtitle =
+          formatNumber(entity.amount, context, currencyId: entity.currencyId) +
+              ' • ' +
+              formatDate(entity.date, context);
+    }
+
     return MouseRegion(
       onEnter: (event) => setState(() => _isHovered = true),
       onExit: (event) => setState(() => _isHovered = false),
@@ -121,18 +142,20 @@ class _EntityListTileState extends State<EntityListTile> {
                 maxLines: 1,
                 overflow: TextOverflow.ellipsis,
               ),
-              subtitle:
-                  (widget.subtitle ?? '').isEmpty && widget.entity.isActive
-                      ? null
-                      : Column(
+              subtitle: ((widget.subtitle ?? '').isNotEmpty ||
+                      defaultSubtitle.isNotEmpty ||
+                      !entity.isActive)
+                  ? Column(
                       crossAxisAlignment: CrossAxisAlignment.start,
                       children: [
                         if ((widget.subtitle ?? '').isNotEmpty)
-                              Text(widget.subtitle),
-                            if (!widget.entity.isActive)
-                              EntityStateLabel(widget.entity),
+                          Text(widget.subtitle)
+                        else if (defaultSubtitle.isNotEmpty)
+                          Text(defaultSubtitle),
+                        if (!entity.isActive) EntityStateLabel(widget.entity),
                       ],
-                        ),
+                    )
+                  : null,
               leading: leading,
               trailing: trailing,
               isThreeLine:

lib/ui/expense/view/expense_view_overview.dart

@@ -196,19 +196,11 @@ class ExpenseOverview extends StatelessWidget {
         EntityListTile(
           entity: invoice,
           isFilter: isFilter,
-          subtitle: formatNumber(invoice.amount, context,
-                  clientId: invoice.clientId) +
-              ' • ' +
-              formatDate(invoice.date, context),
         ),
         EntityListTile(entity: purchaseOrder, isFilter: isFilter),
         EntityListTile(
           entity: transaction,
           isFilter: isFilter,
-          subtitle: formatNumber(transaction.amount, context,
-                  currencyId: transaction.currencyId) +
-              ' • ' +
-              formatDate(transaction.date, context),
         ),
         if ((expense.recurringId ?? '').isNotEmpty)
           EntityListTile(entity: recurringExpense, isFilter: isFilter),

lib/ui/payment/view/payment_view.dart

@@ -160,10 +160,6 @@ class _PaymentViewState extends State<PaymentView> {
                         EntityListTile(
                           isFilter: widget.isFilter,
                           entity: transaction,
-                          subtitle: formatNumber(transaction.amount, context,
-                                  currencyId: transaction.currencyId) +
-                              ' • ' +
-                              formatDate(transaction.date, context),
                         ),
                       payment.privateNotes != null &&
                               payment.privateNotes.isNotEmpty