store dto from initial apibuilder

fix existence check of pkg add

frontend/lib/providers/BaseProvider.dart

@@ -2,11 +2,12 @@ import 'package:flutter/material.dart';
 
 abstract class BaseProvider<T, DTO> with ChangeNotifier {
   late Future<T> data;
+  DTO? dto;
 
   loadFuture(context, {DTO? dto});
 
-  refresh(context, {DTO? dto}) {
-    loadFuture(context, dto: dto);
+  refresh(context) {
+    loadFuture(context, dto: this.dto);
     notifyListeners();
   }
 }

frontend/lib/providers/aur_search_provider.dart

@@ -14,5 +14,6 @@ class AURSearchProvider extends BaseProvider<List<AurPackage>, AurSearchDTO> {
   @override
   loadFuture(context, {dto}) {
     data = API.getAurPackages(dto!.query);
+    this.dto = dto;
   }
 }

frontend/lib/providers/build_provider.dart

@@ -15,5 +15,6 @@ class BuildProvider extends BaseProvider<Build, BuildDTO> {
   loadFuture(context, {dto}) {
     // todo search solution to force an exising dto
     data = API.getBuild(dto!.buildID);
+    this.dto = dto;
   }
 }

frontend/lib/providers/builds_provider.dart

@@ -16,6 +16,7 @@ class BuildsProvider extends BaseProvider<List<Build>, BuildsDTO> {
   loadFuture(context, {dto}) {
     if (dto != null) {
       data = API.listAllBuilds(pkgID: dto.pkgID, limit: dto.limit);
+      this.dto = dto;
     } else {
       data = API.listAllBuilds();
     }

frontend/lib/providers/package_provider.dart

@@ -15,5 +15,6 @@ class PackageProvider extends BaseProvider<Package, PackageDTO> {
   loadFuture(context, {dto}) {
     // todo search solution to force an exising dto
     data = API.getPackage(dto!.pkgID);
+    this.dto = dto;
   }
 }

frontend/lib/providers/packages_provider.dart

@@ -14,5 +14,6 @@ class PackagesProvider extends BaseProvider<List<Package>, PackagesDTO> {
   @override
   loadFuture(context, {dto}) {
     data = API.listPackages(limit: dto?.limit);
+    this.dto = dto;
   }
 }

frontend/lib/providers/stats_provider.dart

@@ -7,5 +7,6 @@ class StatsProvider extends BaseProvider {
   @override
   loadFuture(context, {dto}) {
     data = API.listStats();
+    this.dto = dto;
   }
 }