Fix compilation error when led/rgb process limit is zero. (#22328)

Co-authored-by: Drashna Jaelre <drashna@live.com>

quantum/led_matrix/led_matrix.c

@@ -342,9 +342,8 @@ void led_matrix_task(void) {
         case RENDERING:
             led_task_render(effect);
             if (effect) {
-                // Only run the basic indicators in the last render iteration (default there are 5 iterations)
-                if (led_effect_params.iter == LED_MATRIX_LED_PROCESS_MAX_ITERATIONS) {
-                    led_matrix_indicators();
+                if (led_task_state == FLUSHING) {
+                    led_matrix_indicators(); // ensure we only draw basic indicators once rendering is finished
                 }
                 led_matrix_indicators_advanced(&led_effect_params);
             }

quantum/led_matrix/led_matrix.h

@@ -88,7 +88,6 @@
 #ifndef LED_MATRIX_LED_PROCESS_LIMIT
 #    define LED_MATRIX_LED_PROCESS_LIMIT ((LED_MATRIX_LED_COUNT + 4) / 5)
 #endif
-#define LED_MATRIX_LED_PROCESS_MAX_ITERATIONS ((LED_MATRIX_LED_COUNT + LED_MATRIX_LED_PROCESS_LIMIT - 1) / LED_MATRIX_LED_PROCESS_LIMIT)
 
 #if defined(LED_MATRIX_LED_PROCESS_LIMIT) && LED_MATRIX_LED_PROCESS_LIMIT > 0 && LED_MATRIX_LED_PROCESS_LIMIT < LED_MATRIX_LED_COUNT
 #    if defined(LED_MATRIX_SPLIT)

quantum/rgb_matrix/rgb_matrix.c

@@ -383,8 +383,7 @@ void rgb_matrix_task(void) {
         case RENDERING:
             rgb_task_render(effect);
             if (effect) {
-                // Only run the basic indicators in the last render iteration (default there are 5 iterations)
-                if (rgb_effect_params.iter == RGB_MATRIX_LED_PROCESS_MAX_ITERATIONS) {
+                if (rgb_task_state == FLUSHING) { // ensure we only draw basic indicators once rendering is finished
                     rgb_matrix_indicators();
                 }
                 rgb_matrix_indicators_advanced(&rgb_effect_params);

quantum/rgb_matrix/rgb_matrix.h

@@ -106,7 +106,6 @@
 #ifndef RGB_MATRIX_LED_PROCESS_LIMIT
 #    define RGB_MATRIX_LED_PROCESS_LIMIT ((RGB_MATRIX_LED_COUNT + 4) / 5)
 #endif
-#define RGB_MATRIX_LED_PROCESS_MAX_ITERATIONS ((RGB_MATRIX_LED_COUNT + RGB_MATRIX_LED_PROCESS_LIMIT - 1) / RGB_MATRIX_LED_PROCESS_LIMIT)
 
 #if defined(RGB_MATRIX_LED_PROCESS_LIMIT) && RGB_MATRIX_LED_PROCESS_LIMIT > 0 && RGB_MATRIX_LED_PROCESS_LIMIT < RGB_MATRIX_LED_COUNT
 #    if defined(RGB_MATRIX_SPLIT)