Options: snap marker size (#1770)

The object-snap glyphs were fixed at 5 px; a Drafting slider now scales
them from 1 to 20 px.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/locale_catalog.rs

@@ -5141,6 +5141,7 @@ pub(super) fn message_attribute(source: &str) -> Option<(&'static str, &'static
         "Load Linetypes" => Some(("common", "load-linetypes")),
         "Requires two positive values (x,y) or one for both." => Some(("common", "requires-two-positive-values")),
         "Snap marker color" => Some(("common", "snap-marker-color")),
+        "Snap marker size" => Some(("common", "snap-marker-size")),
         "Command line text color" => Some(("common", "command-line-text-color")),
         "Operand" => Some(("common", "operand")),
         "{added} linetype(s) loaded." => Some(("common", "linetypes-loaded")),