fix shellcheck errors

tabs/utils/bluetooth-control.sh

@@ -41,8 +41,8 @@ main_menu() {
         printf "4. Disconnect from a device\n"
         printf "5. Remove a device\n"
         printf "0. Exit\n"
-        printf -n "Choose an option: "
-        read choice
+        printf "Choose an option: "
+        read -r choice
 
         case $choice in
             1) scan_devices ;;

tabs/utils/monitor-control/auto_detect_displays.sh

@@ -29,6 +29,7 @@ auto_detect_displays() {
         if [ -z "$common_resolutions" ]; then
             printf "%b\n" "${RED}No common resolution found among connected monitors.${RC}"
             return
+        fi
 
         highest_resolution=$(echo "$common_resolutions" | sort -n -t'x' -k1,1 -k2,2 | tail -n 1)