changed symbol for shared notes

src/public/app/entities/note_short.js

@@ -398,6 +398,9 @@ class NoteShort {
         else if (this.noteId === 'root') {
             return "bx bx-chevrons-right";
         }
+        if (this.noteId === 'share') {
+            return "bx bx-share-alt";
+        }
         else if (this.type === 'text') {
             if (this.isFolder()) {
                 return "bx bx-folder";

src/public/app/widgets/note_tree.js

@@ -1017,8 +1017,14 @@ export default class NoteTreeWidget extends NoteContextAwareWidget {
         }
 
         for (const ecBranch of loadResults.getBranches()) {
+            if (ecBranch.parentNoteId === 'share') {
+                // all shared notes have a sign in the tree, even the descendants of shared notes
+                noteIdsToReload.add(ecBranch.noteId);
+            }
+            else {
                 // adding noteId itself to update all potential clones
                 noteIdsToUpdate.add(ecBranch.noteId);
+            }
 
             for (const node of this.getNodesByBranch(ecBranch)) {
                 if (ecBranch.isDeleted) {

src/public/stylesheets/tree.css

@@ -139,7 +139,9 @@ span.fancytree-node.multiple-parents .fancytree-title::after {
 }
 
 span.fancytree-node.shared .fancytree-title::after {
-    content: " \2197";
+    font-family: 'boxicons' !important;
+    font-size: smaller;
+    content: " \ec03"; /* lookup code for "share-alt" in boxicons.css */
 }
 
 span.fancytree-node.fancytree-active-clone:not(.fancytree-active) .fancytree-title {