protection against note switching race conditions

src/public/javascripts/services/note_detail_code.js

@@ -55,6 +55,8 @@ class NoteDetailCode {
             this.onNoteChange(() => this.ctx.noteChanged());
         }
 
+        // lazy loading above can take time and tab might have been already switched to another note
+        if (this.ctx.note && this.ctx.note.type === 'code') {
             // CodeMirror breaks pretty badly on null so even though it shouldn't happen (guarded by consistency check)
             // we provide fallback
             this.codeEditor.setValue(this.ctx.note.content || "");
@@ -68,6 +70,7 @@ class NoteDetailCode {
 
             this.show();
         }
+    }
 
     show() {
         this.$component.show();

src/public/javascripts/services/note_detail_relation_map.js

@@ -238,14 +238,17 @@ class NoteDetailRelationMap {
 
         await libraryLoader.requireLibrary(libraryLoader.RELATION_MAP);
 
+        jsPlumb.ready(() => {
+            // lazy loading above can take time and tab might have been already switched to another note
+            if (this.ctx.note && this.ctx.note.type === 'relation-map') {
                 this.loadMapData();
 
-        jsPlumb.ready(() => {
                 this.initJsPlumbInstance();
 
                 this.initPanZoom();
 
                 this.loadNotesAndRelations();
+            }
         });
 
     }

src/public/javascripts/services/note_detail_text.js

@@ -98,12 +98,15 @@ class NoteDetailText {
             }
         }
 
+        // lazy loading above can take time and tab might have been already switched to another note
+        if (this.ctx.note && this.ctx.note.type === 'text') {
             this.textEditor.isReadOnly = await this.isReadOnly();
 
             this.$component.show();
 
             this.textEditor.setData(this.ctx.note.content);
         }
+    }
 
     getContent() {
         let content = this.textEditor.getData();