Increase width of noscript captcha iframe on reports page.

4chan was using 400px; Google expects 500px.
This eliminates the scroll bars on the iframe.

src/General/css/report.css

@@ -1,3 +1,6 @@
 :root:not(.js-enabled) #captchaContainerAlt {
   height: auto;
 }
+noscript > iframe, #recaptcha_challenge_field {
+  width: 500px;
+}