Make an increment name valid after user selected it from a completion list.

ChangeLog.txt

@@ -9,6 +9,7 @@
 - Fix visualization for tool point of intersection line and axis. Case when the axis's point lies on the line.
 - Table of variables is available in Details mode.
 - Fix incorrect comparison of the global length of passmark to minimal allowed value.
+- Make an increment name valid after user selected it from a completion list.
 
 # Valentina 0.7.49 July 1, 2021
 - Fix crash.

src/app/valentina/dialogs/dialogpatternproperties.cpp

@@ -137,6 +137,11 @@ DialogPatternProperties::DialogPatternProperties(VPattern *doc,  VContainer *pat
     m_completer->setModelSorting(QCompleter::UnsortedModel);
     m_completer->setFilterMode(Qt::MatchContains);
     m_completer->setCaseSensitivity(Qt::CaseSensitive);
+    connect(m_completer, QOverload<const QString &>::of(&QCompleter::activated), this, [this]()
+    {
+        ValidatePassmarkLength();
+        DescEdited();
+    });
 
     ui->lineEditPassmarkLength->setCompleter(m_completer);
     connect(ui->lineEditPassmarkLength, &QLineEdit::textEdited, this, [this]()