Spotless: disable trailing commas

Signed-off-by: Álvaro Brey <alvaro.brey@nextcloud.com>

.editorconfig

@@ -41,3 +41,5 @@ indent_size=2
 [*.{kt,kts}]
 # IDE does not follow this Ktlint rule strictly, but the default ordering is pretty good anyway, so let's ditch it
 disabled_rules=import-ordering
+ij_kotlin_allow_trailing_comma = false
+ij_kotlin_allow_trailing_comma_on_call_site = false