Feature/add option to remove manga from categories when removing from library (#633)

* Optionally remove manga categories when removing them from library

* Use "Mangas::removeFromLibrary"

* Handle uncatched promises

src/lib/graphql/mutations/MangaMutation.ts

@@ -130,7 +130,11 @@ export const UPDATE_MANGA = gql`
 `;
 
 export const UPDATE_MANGAS = gql`
-    mutation UPDATE_MANGAS($input: UpdateMangasInput!) {
+    mutation UPDATE_MANGAS(
+        $input: UpdateMangasInput!
+        $updateCategoryInput: UpdateMangasCategoriesInput!
+        $updateCategories: Boolean!
+    ) {
         updateMangas(input: $input) {
             clientMutationId
             mangas {
@@ -148,6 +152,20 @@ export const UPDATE_MANGAS = gql`
                 }
             }
         }
+        updateMangasCategories(input: $updateCategoryInput) @include(if: $updateCategories) {
+            mangas {
+                id
+                categories {
+                    nodes {
+                        id
+                        mangas {
+                            totalCount
+                        }
+                    }
+                    totalCount
+                }
+            }
+        }
     }
 `;