Custom fields views (#789)

* style: show field colour in editor

* feat: custom fields in cuesheet

* feat: custom fields in operator

* refactor: update CSV export

e2e/tests/features/202-cuesheet.spec.ts

@@ -20,25 +20,16 @@ test('cuesheet displays events and exports csv', async ({ page }) => {
     const expectedColumns = [
       'Time Start',
       'Time End',
-      'Event Title',
-      'Presenter Name',
-      'Event Subtitle',
-      'Public',
-      'Note',
+      'Duration',
+      'ID',
       'Colour',
-      'End Action',
-      'Timer Type',
-      'Skip',
-      'user0',
-      'user1',
-      'user2',
-      'user3',
-      'user4',
-      'user5',
-      'user6',
-      'user7',
-      'user8',
-      'user9',
+      'Cue',
+      'Title',
+      'Subtitle',
+      'Presenter',
+      'Note',
+      'Is Public? (x)',
+      'Skip?',
     ];
     const expectedValues = ['Albania', 'Latvia', 'Lithuania', 'Lunch break'];