Don't run the webserver anymore on Airflow3 with breeze start-airflow. (apache#47060)

Relates to apache#46942

Author: ashb

scripts/in_container/bin/run_tmux

@@ -60,25 +60,25 @@ tmux select-pane -t 1
 tmux set-option -p @airflow_component Scheduler
 tmux send-keys 'airflow scheduler' C-m
 
-tmux split-window -h
-tmux select-pane -t 2
-tmux set-option -p @airflow_component FastAPI
-
 if [[ ! ${USE_AIRFLOW_VERSION=} =~ ^2\..*  ]]; then
+  tmux split-window -h
+  tmux select-pane -t 2
+  tmux set-option -p @airflow_component FastAPI
+
     if [[ ${DEV_MODE=} == "true" ]]; then
         tmux send-keys 'airflow fastapi-api -d' C-m
     else
         tmux send-keys 'airflow fastapi-api' C-m
     fi
-fi
-
-tmux split-window -h
-tmux select-pane -t 3
-tmux set-option -p @airflow_component Webserver
-if [[ ${DEV_MODE=} == "true" ]]; then
-    tmux send-keys 'airflow webserver -d' C-m
 else
-    tmux send-keys 'airflow webserver' C-m
+  tmux split-window -h
+  tmux select-pane -t 3
+  tmux set-option -p @airflow_component Webserver
+  if [[ ${DEV_MODE=} == "true" ]]; then
+      tmux send-keys 'airflow webserver -d' C-m
+  else
+      tmux send-keys 'airflow webserver' C-m
+  fi
 fi
 
 tmux select-pane -t 0