trim username for new sign-up

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/home/desktop/places/whatsnew/resources/SailingAnalyticsNotes.html

@@ -4,6 +4,16 @@
 <div id="mainContent">
     <h4 class="articleHeadline">What's New - SAP Sailing Analytics</h4>
       <div class="innerContent">
+         <h5 class="articleSubheadline">November 2021</h5>
+         <ul class="bulletList">
+           <li>When signing up for a new user account, the user name is now trimmed, meaning that
+               leading and trailing whitespace / blank characters are removed. For example, if you
+               sign up for a user name " abc123 " it will become "abc123". This change is inteneded
+               to help those using touch-screen keyboards with auto-completion where particularly
+               trailing blanks are often appended, leading to problems logging in to these accounts
+               if the trailing blank remains part of the username but then are not provided during
+               the login process.</li>
+         </ul>
          <h5 class="articleSubheadline">October 2021</h5>
          <ul class="bulletList">
            <li>The <a href="/gwt/DataMining.html">Data Mining</a> module now has additional statistics for a competitor's

java/com.sap.sse.security.ui/src/main/java/com/sap/sse/security/ui/authentication/create/CreateAccountViewImpl.java

@@ -76,7 +76,7 @@ public class CreateAccountViewImpl extends Composite implements CreateAccountVie
         usernameUi.addKeyUpHandler(new FieldKeyUpHandler() {
             @Override
             void updateFieldValue() {
-                presenter.onChangeUsername(usernameUi.getValue());
+                presenter.onChangeUsername(usernameUi.getValue().trim());
             }
         });
         nameUi.addKeyUpHandler(new FieldKeyUpHandler() {