various small fixes

src/public/javascripts/services/frontend_script_api.js

@@ -294,7 +294,7 @@ function FrontendScriptApi(startNote, currentNote, originEntity = null, tabConte
      * @return {boolean} returns true if the original note is still loaded, false if user switched to another
      */
     this.isNoteStillActive = () => {
-        return this.originEntity.noteId === tabContext.noteId;
+        return tabContext.note && this.originEntity.noteId === tabContext.note.noteId;
     };
 
     /**

src/public/javascripts/services/link_map.js

@@ -55,7 +55,7 @@ export default class LinkMap {
         }
 
         // preload all notes
-        const notes = await treeCache.getNotes(Array.from(noteIds));
+        const notes = await treeCache.getNotes(Array.from(noteIds), true);
 
         const graph = new Springy.Graph();
         graph.addNodes(...noteIds);

src/public/javascripts/services/protected_session.js

@@ -27,7 +27,7 @@ function enterProtectedSession() {
         // using deferred instead of promise because it allows resolving from outside
         protectedSessionDeferred = dfd;
 
-        import("../dialogs/protected_session.js").then(protectedSessionDialog => protectedSessionDialog.show())
+        import("../dialogs/protected_session.js").then(dialog => dialog.show());
     }
 
     return dfd.promise();
@@ -51,7 +51,7 @@ async function setupProtectedSession(password) {
     await noteDetailService.reloadAllTabs();
 
     if (protectedSessionDeferred !== null) {
-        protectedSessionDialog.close();
+        import("../dialogs/protected_session.js").then(dialog => dialog.close());
 
         protectedSessionDeferred.resolve(true);
         protectedSessionDeferred = null;

src/public/javascripts/services/tab_context.js

@@ -135,6 +135,8 @@ class TabContext {
             return;
         }
 
+        this.$scriptArea.empty();
+
         if (utils.isDesktop()) {
             this.attributes.refreshAttributes();
         } else {

src/public/javascripts/services/tree.js

@@ -818,8 +818,6 @@ $(window).bind('hashchange', async function() {
     if (isNotePathInAddress()) {
         const [notePath, tabId] = getHashValueFromAddress();
 
-        console.debug(`Switching to ${notePath} on tab ${tabId} because of hash change`);
-
         noteDetailService.switchToTab(tabId, notePath);
     }
 });

src/public/javascripts/services/tree_cache.js

@@ -121,12 +121,12 @@ class TreeCache {
     }
 
     /** @return {Promise<NoteShort>} */
-    async getNote(noteId) {
+    async getNote(noteId, silentNotFoundError = false) {
         if (noteId === 'none') {
             return null;
         }
 
-        return (await this.getNotes([noteId]))[0];
+        return (await this.getNotes([noteId], silentNotFoundError))[0];
     }
 
     addBranch(branch) {