Remove force disable of NKRO when Bluetooth enabled (#25201)

tmk_core/protocol.mk

@@ -46,12 +46,8 @@ else
 endif
 
 ifeq ($(strip $(NKRO_ENABLE)), yes)
-    ifeq ($(strip $(BLUETOOTH_ENABLE)), yes)
-        $(info NKRO is not currently supported with Bluetooth, and has been disabled.)
-    else
-        OPT_DEFS += -DNKRO_ENABLE
-        SHARED_EP_ENABLE = yes
-    endif
+    OPT_DEFS += -DNKRO_ENABLE
+    SHARED_EP_ENABLE = yes
 endif
 
 ifeq ($(strip $(NO_SUSPEND_POWER_DOWN)), yes)

tmk_core/protocol/host.c

@@ -21,6 +21,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "host.h"
 #include "util.h"
 #include "debug.h"
+#include "usb_device_state.h"
 
 #ifdef DIGITIZER_ENABLE
 #    include "digitizer.h"
@@ -90,6 +91,23 @@ static host_driver_t *host_get_active_driver(void) {
     return driver;
 }
 
+bool host_can_send_nkro(void) {
+#ifdef CONNECTION_ENABLE
+    switch (connection_get_host()) {
+#    ifdef BLUETOOTH_ENABLE
+        case CONNECTION_HOST_BLUETOOTH:
+            return bluetooth_can_send_nkro();
+#    endif
+        case CONNECTION_HOST_NONE:
+            return false;
+        default:
+            break;
+    }
+#endif
+
+    return usb_device_state_get_protocol() == USB_PROTOCOL_REPORT;
+}
+
 #ifdef SPLIT_KEYBOARD
 uint8_t split_led_state = 0;
 void    set_split_host_keyboard_leds(uint8_t led_state) {

tmk_core/protocol/host.h

@@ -32,6 +32,7 @@ void           host_set_driver(host_driver_t *driver);
 host_driver_t *host_get_driver(void);
 
 /* host driver interface */
+bool    host_can_send_nkro(void);
 uint8_t host_keyboard_leds(void);
 led_t   host_keyboard_led_state(void);
 void    host_keyboard_send(report_keyboard_t *report);