hide registration subtitle and fix enableShowHide in SessionInput

ts/components/session/SessionInput.tsx

@@ -22,9 +22,7 @@ export class SessionInput extends React.PureComponent<Props, State> {
     super(props);
 
     this.updateInputValue = this.updateInputValue.bind(this);
-    this.renderEnableShowHideButton = this.renderEnableShowHideButton.bind(
+    this.renderShowHideButton = this.renderShowHideButton.bind(this);
-      this
-    );
 
     this.state = {
       inputValue: '',
@@ -63,15 +61,14 @@ export class SessionInput extends React.PureComponent<Props, State> {
           )}
         />
 
-        {this.renderEnableShowHideButton(enableShowHide)}
+        {enableShowHide && this.renderShowHideButton()}
 
         <hr />
       </div>
     );
   }
 
-  private renderEnableShowHideButton(enableShowHide: boolean | undefined) {
+  private renderShowHideButton() {
-    if (enableShowHide) {
     return (
       <SessionIconButton
         iconType={SessionIconType.Eye}
@@ -86,9 +83,6 @@ export class SessionInput extends React.PureComponent<Props, State> {
     );
   }
 
-    return undefined;
-  }
-
   private updateInputValue(e: any) {
     e.preventDefault();
     this.setState({

ts/components/session/SessionRegistrationView.tsx

@@ -19,7 +19,7 @@ export class SessionRegistrationView extends React.Component<Props> {
       <div className="session-content">
         <div id="error" className="collapse" />
         <div className="session-content-accent">
-          <AccentText showSubtitle={showSubtitle || true} />
+          <AccentText showSubtitle={showSubtitle} />
         </div>
         <div className="session-content-registration">
           <RegistrationTabs />