Fix lambda capture and lint issues

src/TextInputWidget.cpp

@@ -76,7 +76,7 @@ FilteredTextEdit::FilteredTextEdit(QWidget *parent)
                 &FilteredTextEdit::uploadData);
 
         connect(this, &FilteredTextEdit::resultsRetrieved, this, &FilteredTextEdit::showResults);
-        connect(&replyPopup_, &ReplyPopup::userSelected, this, [this](const QString &text) {
+        connect(&replyPopup_, &ReplyPopup::userSelected, this, [](const QString &text) {
                 // TODO: Show user avatar window.
                 nhlog::ui()->info("User selected: " + text.toStdString());
         });

src/timeline/TimelineView.cpp

@@ -690,7 +690,9 @@ TimelineView::updatePendingMessage(const std::string &txn_id, const QString &eve
 }
 
 void
-TimelineView::addUserMessage(mtx::events::MessageType ty, const QString &body, const QString &related_event)
+TimelineView::addUserMessage(mtx::events::MessageType ty,
+                             const QString &body,
+                             const QString &related_event)
 {
         auto with_sender = (lastSender_ != local_user_) || isDateDifference(lastMsgTimestamp_);