Tweaks to note navigator to improve hierarchy layout

Author: riccardoferretti

packages/foam-vscode/src/features/panels/utils/folder-tree-provider.ts

@@ -19,7 +19,6 @@ export interface Folder<T> {
 export class FolderTreeItem<T> extends vscode.TreeItem {
   collapsibleState = vscode.TreeItemCollapsibleState.Collapsed;
   contextValue = 'folder';
-  iconPath = new vscode.ThemeIcon('folder');
 
   constructor(
     public node: Folder<T>,

packages/foam-vscode/src/features/panels/utils/tree-view-utils.ts

@@ -43,6 +43,9 @@ export class UriTreeItem extends BaseTreeItem {
 }
 
 export class ResourceTreeItem extends UriTreeItem {
+  iconPath = vscode.ThemeIcon.File;
+  contextValue = 'foam.resource';
+
   constructor(
     public readonly resource: Resource,
     private readonly workspace: FoamWorkspace,
@@ -62,8 +65,6 @@ export class ResourceTreeItem extends UriTreeItem {
       title: 'Go to location',
     };
     this.resourceUri = toVsCodeUri(resource.uri);
-    this.iconPath = vscode.ThemeIcon.File;
-    this.contextValue = 'foam.resource';
   }
 
   async resolveTreeItem(): Promise<ResourceTreeItem> {