Add parentheses to SD macros

Marlin/src/gcode/lcd/M73.cpp

@@ -38,7 +38,7 @@
  *   This has no effect during an SD print job
  */
 void GcodeSuite::M73() {
-  if (!IS_SD_PRINTING && parser.seen('P')) {
+  if (!IS_SD_PRINTING() && parser.seen('P')) {
     progress_bar_percent = parser.value_byte();
     NOMORE(progress_bar_percent, 100);
   }

Marlin/src/gcode/queue.cpp

@@ -450,7 +450,7 @@ inline void get_serial_commands() {
                 #endif
               ;
 
-    if (!IS_SD_PRINTING) return;
+    if (!IS_SD_PRINTING()) return;
 
     /**
      * '#' stops reading from SD to the buffer prematurely, so procedural