CanvasItemEditor Fix snapping grid misalignment

(cherry picked from commit 7e22093)

Co-authored-by: MrPhnix <76911907+MrPhnix@users.noreply.github.com>

Author: 2shady4u

editor/plugins/canvas_item_editor_plugin.cpp

@@ -129,15 +129,15 @@ class SnapDialog : public ConfirmationDialog {
 		label->set_h_size_flags(SIZE_EXPAND_FILL);
 
 		grid_step_x = memnew(SpinBox);
-		grid_step_x->set_min(0.01);
+		grid_step_x->set_min(1);
 		grid_step_x->set_max(SPIN_BOX_GRID_RANGE);
 		grid_step_x->set_allow_greater(true);
 		grid_step_x->set_suffix("px");
 		grid_step_x->set_h_size_flags(SIZE_EXPAND_FILL);
 		child_container->add_child(grid_step_x);
 
 		grid_step_y = memnew(SpinBox);
-		grid_step_y->set_min(0.01);
+		grid_step_y->set_min(1);
 		grid_step_y->set_max(SPIN_BOX_GRID_RANGE);
 		grid_step_y->set_allow_greater(true);
 		grid_step_y->set_suffix("px");