System Console: Email notification content setting (#7122)

* PLT-7195: Added new config option, new license feature, and config UI to system console. Still need to implement behaviour change in email batching code

* PLT-7195: Modified batch emails to respect email notification content type setting

* PLT-7195: Tweaking the colours a bit

* PLT-7195: Added support for email notification content type setting in immediate (non-batched) notification messages. Attempted to clean up the code somewhat. Unit tests coming in a future commit

* PLT-7195: Added unit tests for non-batched emails

* Checked license when applying email content settings

* Changed return type of getFormattedPostTime

model/config_test.go

@@ -15,3 +15,12 @@ func TestConfigDefaultFileSettingsDirectory(t *testing.T) {
 		t.Fatal("FileSettings.Directory should default to './data/'")
 	}
 }
+
+func TestConfigDefaultEmailNotificationContentsType(t *testing.T) {
+	c1 := Config{}
+	c1.SetDefaults()
+
+	if *c1.EmailSettings.EmailNotificationContentsType != EMAIL_NOTIFICATION_CONTENTS_FULL {
+		t.Fatal("EmailSettings.EmailNotificationContentsType should default to 'full'")
+	}
+}