Added setting to auto close user popup (#1833)

* Set autoclose as true by default to match stable version (2.1.7) behavior

src/widgets/helper/ChannelView.cpp

@@ -1817,6 +1817,10 @@ void ChannelView::hideEvent(QHideEvent *)
 void ChannelView::showUserInfoPopup(const QString &userName)
 {
     auto *userPopup = new UserInfoPopup;
+    if (getSettings()->autoCloseUserPopup)
+    {
+        userPopup->setActionOnFocusLoss(BaseWindow::Delete);
+    }
     userPopup->setData(userName, this->hasSourceChannel() ? this->sourceChannel_
                                                           : this->channel_);
     QPoint offset(int(150 * this->scale()), int(70 * this->scale()));

src/widgets/settingspages/GeneralPage.cpp

@@ -509,6 +509,8 @@ void GeneralPage::initLayout(SettingsLayout &layout)
                        s.mentionUsersWithComma);
     layout.addCheckbox("Show joined users (< 1000 chatters)", s.showJoins);
     layout.addCheckbox("Show parted users (< 1000 chatters)", s.showParts);
+    layout.addCheckbox("Automatically close user popup when it loses focus",
+                       s.autoCloseUserPopup);
     layout.addCheckbox("Lowercase domains (anti-phishing)", s.lowercaseDomains);
     layout.addCheckbox("Bold @usernames", s.boldUsernames);
     layout.addCheckbox("Try to find usernames without @ prefix",