Allow query params to be multiline (Closes #806)

packages/insomnia-app/app/ui/components/request-pane.js

@@ -351,6 +351,7 @@ class RequestPane extends React.PureComponent<Props> {
                   errorClassName="tall wide vertically-align font-error pad text-center">
                   <KeyValueEditor
                     sortable
+                    allowMultiline
                     namePlaceholder="name"
                     valuePlaceholder="value"
                     onToggleDisable={this._trackQueryToggle}

packages/insomnia-prettify/src/json.js

@@ -171,7 +171,7 @@ function _convertUnicode (originalStr) {
   let c;
   let lastI = 0;
 
-  // Matches \u####
+  // Matches \u#### but not \\u####
   const unicodeRegex = /[^\\]\\u([0-9a-fA-F]{4})/g;
 
   let convertedStr = '';