feat: disable tab renaming on double-click via setting (#6163)

Fixes #6156

src/widgets/helper/NotebookTab.cpp

@@ -958,8 +958,10 @@ void NotebookTab::mouseReleaseEvent(QMouseEvent *event)
 
 void NotebookTab::mouseDoubleClickEvent(QMouseEvent *event)
 {
-    if (event->button() == Qt::LeftButton &&
-        this->notebook_->getAllowUserTabManagement())
+    const auto canRenameTab = this->notebook_->getAllowUserTabManagement() &&
+                              getSettings()->disableTabRenamingOnClick == false;
+
+    if (event->button() == Qt::LeftButton && canRenameTab)
     {
         this->showRenameDialog();
     }

src/widgets/settingspages/GeneralPage.cpp

@@ -1369,6 +1369,9 @@ void GeneralPage::initLayout(GeneralPageView &layout)
         "Enable experimental Twitch EventSub support (requires restart)",
         s.enableExperimentalEventSub);
 
+    layout.addCheckbox("Disable renaming of tabs on double-click",
+                       s.disableTabRenamingOnClick);
+
     layout.addStretch();
 
     // invisible element for width