fix: 修复前端类型标注与GraphQL访问数据不同的问题

- 将类型标注中的id字段改为string

server/mappers/solutionMapper.ts

@@ -15,7 +15,7 @@ export function toSolutionTypeView(raw: SolutionType): SolutionTypeView {
   const trans = raw?.translations?.[0];
 
   return {
-    id: raw.id,
+    id: raw.id.toString(),
     name: trans?.name ?? '',
     sort: raw?.sort ?? 999,
   };
@@ -38,7 +38,7 @@ export function toSolutionListView(raw: Solution): SolutionListView {
   const type = isObject<SolutionType>(raw.type)
     ? toSolutionTypeView(raw.type)
     : ({
-        id: -1,
+        id: '',
         name: 'uncategory',
         sort: 999,
       } satisfies SolutionTypeView);
@@ -46,7 +46,7 @@ export function toSolutionListView(raw: Solution): SolutionListView {
   const cover = isObject<DirectusFile>(raw.cover) ? (raw?.cover.id ?? '') : '';
 
   return {
-    id: raw.id,
+    id: raw.id.toString(),
     title: trans?.title ?? '',
     summary: trans?.summary ?? '',
     solution_type: type,
@@ -69,7 +69,7 @@ export function toSolutionView(raw: Solution): SolutionView {
   const trans = raw.translations?.[0];
 
   return {
-    id: raw.id,
+    id: raw.id.toString(),
     title: trans?.title ?? '',
     summary: trans?.summary ?? '',
     content: trans?.content ?? '',