feat(grid): the coloured grid axis lines can be turned off (#1815)

Drafting Settings > Snap and Grid gains "Display grid axis lines",
kept with the other grid settings; the grid itself stays as it is.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

locales/ru-RU/opencadstudio.ftl

@@ -2127,6 +2127,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__