feat: add option to disable calendar

lib/admin/types.ts

@@ -51,6 +51,7 @@ export interface FeatureGates {
   settingsExportEnabled: boolean;
   customKeywordsEnabled: boolean;
   templatesEnabled: boolean;
+  calendarEnabled: boolean;
   calendarTasksEnabled: boolean;
   smimeEnabled: boolean;
   externalContentEnabled: boolean;
@@ -75,6 +76,7 @@ export const DEFAULT_FEATURE_GATES: FeatureGates = {
   settingsExportEnabled: true,
   customKeywordsEnabled: true,
   templatesEnabled: true,
+  calendarEnabled: true,
   calendarTasksEnabled: true,
   smimeEnabled: true,
   externalContentEnabled: true,

lib/telemetry/payload.ts

@@ -65,7 +65,7 @@ async function readFeatures(): Promise<TelemetryFeatures> {
   return {
     // Booleans only. We read whether a feature is enabled - never any
     // config value beyond a presence check.
-    calendar:      gates.calendarTasksEnabled === true,
+    calendar:      gates.calendarEnabled === true,
     contacts:      gates.contactsEnabled === true,
     files:         gates.filesEnabled === true,
     extensions:    gates.pluginsEnabled === true,