Fix Title Mapping (#108)

* Fixed title mapping

* Updated testTitleMapping()

Author: jctrotter

jbrowse/src/client/JBrowse/Browser/plugins/ExtendedVariantPlugin/ExtendedVariantWidget/ExtendedVariantWidget.js

@@ -84,10 +84,17 @@ export default jbrowse => {
                                     </div>
                             )
                         }
+                        let title = displays[display].properties[property]
+                        if(fields[title]){
+                           if(fields[title]["title"]){
+                              title = fields[title]["title"]
+                           }
+                        }
+
                         tempProp.push(
                                 <div key={property} className={classes.field}>
                                     <div className={classes.fieldName}>
-                                        {displays[display].properties[property]}
+                                        {title}
                                     </div>
                                     {children}
                                 </div>

jbrowse/test/src/org/labkey/test/tests/external/labModules/JBrowseTest.java

@@ -288,7 +288,7 @@ private void testTitleMapping()
         WebElement toClick = getDriver().findElements(getVariantWithinTrack("mgap_hg38", "SNV T -> C", true)).stream().filter(WebElement::isDisplayed).collect(toSingleton()); // 1:116,981,406..116,981,406
         actions.click(toClick).perform();
         waitForElement(Locator.tagWithText("div", "1:116,981,406..116,981,406"));
-        assertElementPresent(Locator.tagWithText("div", "MismatchedRefAllele"));
+        assertElementPresent(Locator.tagWithText("div", "Minor Allele Frequency"));
     }
 
     private void testPredictedFunction()