post status form error handling

src/components/post_status_form/post_status_form.js

@@ -635,11 +635,6 @@ const PostStatusForm = {
           // Don't apply preview if not loading, because it means
           // user has closed the preview manually.
           if (!this.previewLoading) return
-          if (!data.error) {
-            this.preview = data
-          } else {
-            this.preview = { error: data.error }
-          }
         })
         .catch((error) => {
           this.preview = { error }

src/services/errors/errors.js

@@ -13,8 +13,9 @@ function humanizeErrors(errors) {
 export function StatusCodeError(statusCode, body, options, response) {
   this.name = 'StatusCodeError'
   this.statusCode = statusCode
-  this.message =
-    statusCode + ' - ' + (JSON && JSON.stringify ? JSON.stringify(body) : body)
+  this.details = JSON && JSON.stringify ? JSON.stringify(body) : body
+  this.errorData = body.error
+  this.message = statusCode + ' - ' + body.error.error || body.error
   this.error = body // legacy attribute
   this.options = options
   this.response = response

src/services/status_poster/status_poster.service.js

@@ -49,11 +49,6 @@ const postStatus = ({
 
       return data
     })
-    .catch((err) => {
-      return {
-        error: err.message,
-      }
-    })
 }
 
 const editStatus = ({