Centralize node type icons

src/app/components/editor/node-picker/node-picker.component.ts

@@ -1,5 +1,6 @@
 import { Component, OnInit } from '@angular/core';
 import {PopoverController} from '@ionic/angular';
+import {NodeTypeIcons} from '../../../structures/node-types';
 
 @Component({
   selector: 'editor-node-picker',
@@ -8,14 +9,7 @@ import {PopoverController} from '@ionic/angular';
 })
 export class NodePickerComponent implements OnInit {
 
-  public typeIcons = {
-    branch: 'fa fa-folder',
-    node: 'fa fa-quote-left',
-    norm: 'fa fa-quote-left',
-    page: 'fa fa-sticky-note',
-    db: 'fa fa-database',
-    code: 'fa fa-code',
-  };
+  public typeIcons = NodeTypeIcons;
 
   constructor(
       private popover: PopoverController,

src/app/components/search/Search.component.ts

@@ -3,6 +3,7 @@ import {IonInput, ModalController} from '@ionic/angular';
 import {ApiService} from '../../service/api.service';
 import {BehaviorSubject} from 'rxjs';
 import {Router} from '@angular/router';
+import {NodeTypeIcons} from '../../structures/node-types';
 
 export interface SearchResult {
     title: string;
@@ -26,12 +27,7 @@ export class SearchComponent implements OnInit {
     @Input() query = '';
     public results: BehaviorSubject<SearchResult[]> = new BehaviorSubject<SearchResult[]>([]);
 
-    public typeIcons = {
-        node: 'fa fa-quote-left',
-        page: 'fa fa-sticky-note',
-        db: 'fa fa-database',
-        code: 'fa fa-code',
-    };
+    public typeIcons = NodeTypeIcons;
 
     constructor(
         protected modal: ModalController,