FIX: Run bundle install before migration in `d/boot_dev` (#24509)

48c0cd5b2a broke `d/boot_dev` when used
with `--init` because `rake db:migrate` will fail as it requires `bundle
install` to run first

bin/docker/boot_dev

@@ -106,6 +106,12 @@ docker run -d \
     --restart=always \
     discourse/discourse_dev:release /sbin/boot
 
+echo "Installing gems..."
+"${SCRIPTPATH}/bundle" install
+
+echo "Yarn install..."
+"${SCRIPTPATH}/exec" yarn install --cwd app/assets/javascripts/discourse
+
 if [ "${initialize}" = "initialize" ]; then
     echo "Migrating database..."
     "${SCRIPTPATH}/rake" db:migrate
@@ -115,9 +121,3 @@ if [ "${initialize}" = "initialize" ]; then
     "${SCRIPTPATH}/rake" admin:create
 fi
 
-echo "Installing gems..."
-"${SCRIPTPATH}/bundle" install
-
-echo "Yarn install..."
-"${SCRIPTPATH}/exec" yarn install --cwd app/assets/javascripts/discourse
-