REFACTOR: Move the multisite middleware to the front

Both request tracking and message bus rely on multisite before the
middleware has run which is not ideal.

lib/freedom_patches/rails_multisite.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module RailsMultisite
+  class ConnectionManagement
+    def self.safe_each_connection
+      self.each_connection do |db|
+        begin
+          yield(db) if block_given?
+        rescue => e
+          STDERR.puts "URGENT: Failed to initialize site #{db}: "\
+            "#{e.class} #{e.message}\n#{e.backtrace.join("\n")}"
+
+          # the show must go on, don't stop startup if multisite fails
+        end
+      end
+    end
+  end
+
+  class DiscoursePatches
+    def self.config
+      {
+        db_lookup: lambda do |env|
+          env["PATH_INFO"] == "/srv/status" ? "default" : nil
+        end
+      }
+    end
+  end
+end