added "re-render note" menu item & shortcut, closes #1766

src/public/app/widgets/note_actions.js

@@ -63,6 +63,7 @@ const TPL = `
         <span class="caret"></span>
     </button>
     <div class="dropdown-menu dropdown-menu-right">
+        <a data-trigger-command="renderActiveNote" class="dropdown-item render-note-button">Re-render note</a>
         <div class="dropdown-item protect-button">
             Protect the note
         
@@ -96,6 +97,7 @@ export default class NoteActionsWidget extends TabAwareWidget {
         this.overflowing();
 
         this.$showSourceButton = this.$widget.find('.show-source-button');
+        this.$renderNoteButton = this.$widget.find('.render-note-button');
 
         this.$exportNoteButton = this.$widget.find('.export-note-button');
         this.$exportNoteButton.on("click", () => {
@@ -120,16 +122,22 @@ export default class NoteActionsWidget extends TabAwareWidget {
     }
 
     refreshWithNote(note) {
-        if (['text', 'relation-map', 'search', 'code'].includes(note.type)) {
-            this.$showSourceButton.removeAttr('disabled');
-        } else {
-            this.$showSourceButton.attr('disabled', 'disabled');
-        }
+        this.toggleDisabled(this.$showSourceButton, ['text', 'relation-map', 'search', 'code'].includes(note.type));
+
+        this.$renderNoteButton.toggle(note.type === 'render');
 
         this.$protectButton.toggle(!note.isProtected);
         this.$unprotectButton.toggle(!!note.isProtected);
     }
 
+    toggleDisabled($el, enable) {
+        if (enable) {
+            $el.removeAttr('disabled');
+        } else {
+            $el.attr('disabled', 'disabled');
+        }
+    }
+
     entitiesReloadedEvent({loadResults}) {
         if (loadResults.isNoteReloaded(this.noteId)) {
             this.refresh();

src/public/app/widgets/note_detail.js

@@ -328,4 +328,10 @@ export default class NoteDetailWidget extends TabAwareWidget {
     async saveNoteDetailNowCommand() {
         await this.spacedUpdate.updateNowIfNecessary();
     }
+
+    renderActiveNoteEvent() {
+        if (this.tabContext.isActive()) {
+            this.refresh();
+        }
+    }
 }

src/services/keyboard_actions.js

@@ -352,6 +352,12 @@ const DEFAULT_KEYBOARD_ACTIONS = [
         defaultShortcuts: [],
         scope: "window"
     },
+    {
+        actionName: "renderActiveNote",
+        defaultShortcuts: [],
+        description: "Render (re-render) active note",
+        scope: "window"
+    },
     {
         actionName: "runActiveNote",
         defaultShortcuts: ["CommandOrControl+Enter"],