Set max-width on review-box comment box (#10348)

web_src/less/_review.less

@@ -142,4 +142,26 @@
             overflow-x: auto;
         }
     }
+
+    #review-box .CodeMirror-scroll {
+        max-width: calc(100vw - 70px);
+    }
+}
+
+@media only screen and (min-width: 768px) and (max-width: 992px) {
+    #review-box .CodeMirror-scroll {
+        max-width: 700px;
+    }
+}
+
+@media only screen and (min-width: 992px) and (max-width: 1200px) {
+    #review-box .CodeMirror-scroll {
+        max-width: 800px;
+    }
+}
+
+@media only screen and (min-width: 1200px) {
+    #review-box .CodeMirror-scroll {
+        max-width: 900px;
+    }
 }