Separate `asFormattedString` and `asEncodedURLString`

Separate `asEncodedURLString` into two constituent methods, allowing
access to an un-encoded `asFormattedString`, which returns a string
formatted for (e.g.) copying to the clipboard.

src/sidebar/util/test/version-data-test.js

@@ -80,6 +80,17 @@ describe('VersionData', () => {
     });
   });
 
+  describe('#asFormattedString', () => {
+    ['timestamp', 'account', 'url'].forEach(prop => {
+      it(`includes a line for the value of ${prop} in the string`, () => {
+        const versionData = new VersionData({}, {});
+        const formatted = versionData.asFormattedString();
+        const subStr = `${prop}: ${versionData[prop]}\r\n`;
+        assert.include(formatted, subStr);
+      });
+    });
+  });
+
   describe('#asEncodedURLString', () => {
     ['timestamp', 'account'].forEach(prop => {
       it(`includes encoded value for ${prop} in URL string`, () => {

src/sidebar/util/version-data.js

@@ -55,19 +55,29 @@ class VersionData {
   }
 
   /**
-   * Return a single, encoded URL string of version data suitable for use in
-   * a querystring (as the value of a single parameter)
+   * Return a single formatted string representing version data, suitable for
+   * copying to the clipboard.
    *
-   * @return {string} - URI-encoded string
+   * @return {string} - Single, multiline string representing current version data
    */
-  asEncodedURLString() {
+  asFormattedString() {
     let versionString = '';
     for (let prop in this) {
       if (Object.prototype.hasOwnProperty.call(this, prop)) {
         versionString += `${prop}: ${this[prop]}\r\n`;
       }
     }
-    return encodeURIComponent(versionString);
+    return versionString;
+  }
+
+  /**
+   * Return a single, encoded URL string of version data suitable for use in
+   * a querystring (as the value of a single parameter)
+   *
+   * @return {string} - URI-encoded string
+   */
+  asEncodedURLString() {
+    return encodeURIComponent(this.asFormattedString());
   }
 }