Hide canvas only for real online case

In all other situations try to display with default settings

Author: linev

modules/gpad/RPadPainter.mjs

@@ -561,7 +561,7 @@ class RPadPainter extends RObjectPainter {
       this.createAttFill({ pattern: 1001, color: 0 });
 
       if ((rect.width <= lmt) || (rect.height <= lmt)) {
-         if (!this.hasSnapId()) {
+         if (this.getSnapId()) {
             svg.style('display', 'none');
             console.warn(`Hide canvas while geometry too small w=${rect.width} h=${rect.height}`);
          }

modules/gpad/TPadPainter.mjs

@@ -823,7 +823,7 @@ class TPadPainter extends ObjectPainter {
       this.createAttFill({ attr: this.#pad });
 
       if ((rect.width <= lmt) || (rect.height <= lmt)) {
-         if (this.hasSnapId()) {
+         if (this.getSnapId()) {
             svg.style('display', 'none');
             console.warn(`Hide canvas while geometry too small w=${rect.width} h=${rect.height}`);
          }