Fix "Blocks not rendering properly with BigPipe enabled"

Closes #3477603

tailwind_jit.services.yml

@@ -7,9 +7,8 @@ services:
       - '@theme.manager'
       - '@module_handler'
     tags:
-      # Set priority lower than page_cache so cached responses that are
-      # already processed will not be re-procssed.
-      - { name: http_middleware, priority: 190, responder: true }
+      # Must run after content_length middleware (140) but before big_pipe middleware (150).
+      - { name: http_middleware, priority: 145, responder: true }
   tailwind_jit.compiler:
     class: Drupal\tailwind_jit\Compiler
     arguments: