allow TLDs longer than 5 characters, actually close on sucess

ts/components/session/LeftPaneChannelSection.tsx

@@ -364,7 +364,8 @@ export class LeftPaneChannelSection extends React.Component<Props, State> {
       return false;
     }
 
-    const regexURL = /(http:\/\/www\.|https:\/\/www\.|http:\/\/|https:\/\/)?[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?/;
+    // longest TLD is now (20/02/06) 24 characters per https://jasontucker.blog/8945/what-is-the-longest-tld-you-can-get-for-a-domain-name
+    const regexURL = /(http:\/\/|https:\/\/)?[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,24}(:[0-9]{1,5})?(\/.*)?/;
 
     if (groupUrl.length <= 0) {
       window.pushToast({
@@ -387,7 +388,7 @@ export class LeftPaneChannelSection extends React.Component<Props, State> {
     }
 
     joinChannelStateManager(this, groupUrl, () => {
-      this.handleToggleOverlay(SessionGroupType.Open);
+      this.handleToggleOverlay(undefined);
     });
 
     return true;