[MM-42703] - Add configuration setting to disable Inactive Server email notification (#19831)

* [MM-42703] - Add configuration setting to disable Inactive Server email notification

* remove log

* add config to telemetry

* fix lint

tests/test-config.json

@@ -164,7 +164,8 @@
         "EmailNotificationContentsType": "full",
         "LoginButtonColor": "",
         "LoginButtonBorderColor": "",
-        "LoginButtonTextColor": ""
+        "LoginButtonTextColor": "",
+        "EnableInactivityEmail": true
     },
     "RateLimitSettings": {
         "Enable": false,