Try Clazy fix-its

clazy is a compiler plugin which allows clang to understand Qt
semantics. You get more than 50 Qt related compiler warnings, ranging
from unneeded memory allocations to misusage of API, including fix-its
for automatic refactoring.

https://invent.kde.org/sdk/clazy

sources/TerminalStrip/ui/freeterminalmodel.cpp

@@ -315,7 +315,8 @@ void FreeTerminalModel::fillTerminalVector()
 											b->elementData().m_informations.value(QETInformation::ELMT_LABEL).toString());
 	});
 
-	for (const auto &terminal_ : free_terminal_vector) {
+	for (const auto& terminal_ : std::as_const(free_terminal_vector))
+	{
 		m_terminal_vector.append(terminal_->realTerminal());
 		m_real_t_data.append(modelRealTerminalData::data(terminal_->realTerminal()));
 	}