form: functional "collect on sign-up" setting

was added without functionality by accident in a7aa3fd. This commit adds
the functionality in. Probably some other fixes too.

views.go

@@ -299,6 +299,7 @@ func (app *appContext) ResetPassword(gc *gin.Context) {
 		"strings":           app.storage.lang.PasswordReset[lang].Strings,
 		"success":           false,
 		"customSuccessCard": false,
+		"collectEmail":      app.config.Section("email").Key("collect").MustBool(true),
 	}
 	pwr, isInternal := app.internalPWRs[pin]
 	// if isInternal && setPassword {
@@ -761,6 +762,7 @@ func (app *appContext) InviteProxy(gc *gin.Context) {
 		"validate":           app.config.Section("password_validation").Key("enabled").MustBool(false),
 		"requirements":       app.validator.getCriteria(),
 		"email":              email,
+		"collectEmail":       app.config.Section("email").Key("collect").MustBool(true),
 		"username":           !app.config.Section("email").Key("no_username").MustBool(false),
 		"strings":            app.storage.lang.User[lang].Strings,
 		"validationStrings":  app.storage.lang.User[lang].validationStringsJSON,