Fix incorrect Content-Type "applicaton/json" (#12461)

src/metabase/async/api_response.clj

@@ -195,7 +195,7 @@
   ManyToManyChannel
   (send* [input-chan _ respond _]
     (respond (assoc (response/response input-chan)
-                    :content-type "applicaton/json; charset=utf-8"
+                    :content-type "application/json; charset=utf-8"
                     :status 202))))
 
 ;; everthing in this namespace is deprecated!

src/metabase/async/streaming_response.clj

@@ -257,7 +257,7 @@
 
   Minimal example:
 
-    (streaming-response {:content-type \"applicaton/json; charset=utf-8\"} [os canceled-chan]
+    (streaming-response {:content-type \"application/json; charset=utf-8\"} [os canceled-chan]
       (write-something-to-stream! os))
 
   `f` should block until it is completely finished writing to the stream, which will be closed thereafter.

src/metabase/query_processor/streaming/json.clj

@@ -12,7 +12,7 @@
 
 (defmethod i/stream-options :json
   [_]
-  {:content-type "applicaton/json; charset=utf-8"
+  {:content-type "application/json; charset=utf-8"
    :headers      {"Content-Disposition" (format "attachment; filename=\"query_result_%s.json\""
                                                 (u.date/format (t/zoned-date-time)))}})
 
@@ -40,7 +40,7 @@
 
 (defmethod i/stream-options :api
   [stream-type]
-  {:content-type "applicaton/json; charset=utf-8"})
+  {:content-type "application/json; charset=utf-8"})
 
 (defn- map->serialized-json-kvs
   "{:a 100, :b 200} ; -> \"a\":100,\"b\":200"

test/metabase/async/api_response_test.clj

@@ -31,7 +31,7 @@
               response    {:status       200
                            :headers      {}
                            :body         input-chan
-                           :content-type "applicaton/json; charset=utf-8"}]
+                           :content-type "application/json; charset=utf-8"}]
           ;; and keep it from getting [re]created.
           (with-redefs [async-response/async-keepalive-channel identity]
             (ring.protocols/write-body-to-stream output-chan response os))