[2.x] fix: Fixes shutdownall (#9435)

**Problem**
sbt shutdown all requires --server.

**Solution**
Fix it so it doesn't need extra flag.

sbt

@@ -554,6 +554,14 @@ checkWorkingDirectory() {
   fi
 }
 
+runShutdownAll() {
+  local sbt_processes=( $(jps -v | grep sbt-launch | cut -f1 -d ' ') )
+  for procId in "${sbt_processes[@]}"; do
+    kill -9 $procId
+  done
+  echoerr "shutdown ${#sbt_processes[@]} sbt processes"
+}
+
 run() {
   # Copy preloaded repo to user's preloaded directory
   syncPreloaded
@@ -590,12 +598,6 @@ run() {
     echoerr ""
     echoerr "[info] sbt runner (sbt-the-shell-script) is a runner to run any declared version of sbt."
     echoerr "[info] Actual version of the sbt is declared using project/build.properties for each build."
-  elif [[ $shutdownall ]]; then
-    local sbt_processes=( $(jps -v | grep sbt-launch | cut -f1 -d ' ') )
-    for procId in "${sbt_processes[@]}"; do
-      kill -9 $procId
-    done
-    echoerr "shutdown ${#sbt_processes[@]} sbt processes"
   else
     checkWorkingDirectory
     # run sbt
@@ -931,6 +933,11 @@ if [[ $print_sbt_script_version ]]; then
   exit 0
 fi
 
+if [[ $shutdownall ]]; then
+  runShutdownAll
+  exit 0
+fi
+
 java_version="$(jdk_version)"
 vlog "[process_args] java_version = '$java_version'"
 checkJava17ForSbt2