fixed[tagsView]: DEL_OTHERS_VIEWS cachedViews bug (#913)

* mutations DEL_OTHERS_VIEWS state.cachedViews -> i type is string slice(begin: number, end: number)

src/store/modules/tagsView.js

@@ -38,7 +38,7 @@ const tagsView = {
       for (const i of state.cachedViews) {
         if (i === view.name) {
           const index = state.cachedViews.indexOf(i)
-          state.cachedViews = state.cachedViews.slice(index, i + 1)
+          state.cachedViews = state.cachedViews.slice(index, index + 1)
           break
         }
       }