Macros: round before comparing in bed mesh sanity check

configuration/macros/mesh.cfg

@@ -26,8 +26,8 @@ gcode:
 
 	{% if printer.configfile.settings.beacon is defined and beacon_contact_start_print_true_zero %}
 		{% set zero_ref_pos = printer.configfile.settings.bed_mesh.zero_reference_position %}
-		{% if zero_ref_pos is not defined or zero_ref_pos[0] != safe_home_x or zero_ref_pos[1] != safe_home_y %}
-			CONSOLE_ECHO TYPE="error" TITLE="Zero reference position does not match safe home position" MSG="Please update your bed mesh zero reference position in printer.cfg, like so:_N__N_[bed_mesh]_N_zero_reference_position: {safe_home_x},{safe_home_y}_N_"
+		{% if zero_ref_pos is not defined or zero_ref_pos[0]|float|round != safe_home_x|float|round or zero_ref_pos[1]|float|round != safe_home_y|float|round %}
+			CONSOLE_ECHO TYPE="error" TITLE="Zero reference position does not match safe home position" MSG="Please update your bed mesh zero reference position in printer.cfg, like so:_N__N_[bed_mesh]_N_zero_reference_position: {safe_home_x|float|round},{safe_home_y|float|round}_N_"
 			_STOP_AND_RAISE_ERROR MSG="Zero reference position does not match safe home position"
 		{% endif %}
 	{% endif %}