fix: forward forced cleanup flag (#9127)

plugins/common/functions

@@ -789,7 +789,7 @@ docker_cleanup() {
   declare APP="$1" FORCE_CLEANUP="$2"
   local DOKKU_APP_SKIP_CLEANUP
 
-  "$PLUGIN_CORE_AVAILABLE_PATH/common/common" --quiet docker-cleanup "$APP"
+  "$PLUGIN_CORE_AVAILABLE_PATH/common/common" --quiet docker-cleanup "$APP" "$FORCE_CLEANUP"
 }
 
 dokku_auth() {

tests/unit/docker-cleanup-force-flag.bats

@@ -0,0 +1,27 @@
+#!/usr/bin/env bats
+
+setup() {
+  DOKKU_TEST_TMPDIR="$(mktemp -d)"
+  export DOKKU_TEST_ARGS_FILE="$DOKKU_TEST_TMPDIR/args"
+  export PLUGIN_CORE_AVAILABLE_PATH="$DOKKU_TEST_TMPDIR/plugin"
+
+  mkdir -p "$PLUGIN_CORE_AVAILABLE_PATH/common"
+  cat > "$PLUGIN_CORE_AVAILABLE_PATH/common/common" <<'EOF'
+#!/usr/bin/env bash
+printf '%s\n' "$@" > "$DOKKU_TEST_ARGS_FILE"
+EOF
+  chmod +x "$PLUGIN_CORE_AVAILABLE_PATH/common/common"
+
+  source "$BATS_TEST_DIRNAME/../../plugins/common/functions"
+}
+
+teardown() {
+  rm -rf "$DOKKU_TEST_TMPDIR"
+}
+
+@test "docker_cleanup forwards the manual force flag to the core command" {
+  run docker_cleanup --global true
+
+  [ "$status" -eq 0 ]
+  [ "$(cat "$DOKKU_TEST_ARGS_FILE")" = $'--quiet\ndocker-cleanup\n--global\ntrue' ]
+}