fix: save media asset path on reopen (#919)

client/store/editor.js

@@ -4,11 +4,24 @@ const state = {
   editor: '',
   content: '',
   mode: 'create',
-  activeModal: ''
+  activeModal: '',
+  media: {
+    folderTree: [],
+    currentFolderId: 0,
+    currentFileId: null
+  }
 }
 
 export default {
   namespaced: true,
   state,
-  mutations: make.mutations(state)
+  mutations: {
+    ...make.mutations(state),
+    pushMediaFolderTree: (state, folder) => {
+      state.media.folderTree = state.media.folderTree.concat(folder)
+    },
+    popMediaFolderTree: (state) => {
+      state.media.folderTree = state.media.folderTree.slice(0, -1)
+    }
+  }
 }