Qt/WatchWidget: Don't update if not paused.

Source/Core/DolphinQt/Debugger/WatchWidget.cpp

@@ -146,12 +146,15 @@ void WatchWidget::Update()
 
   m_updating = true;
 
-  m_table->clear();
-
-  int size = static_cast<int>(PowerPC::debug_interface.GetWatches().size());
-
-  m_table->setRowCount(size + 1);
+  if (Core::GetState() != Core::State::Paused)
+  {
+    m_table->setDisabled(true);
+    m_updating = false;
+    return;
+  }
 
+  m_table->setDisabled(false);
+  m_table->clear();
   m_table->setHorizontalHeaderLabels(
       {tr("Label"), tr("Address"), tr("Hexadecimal"),
        // i18n: The base 10 numeral system. Not related to non-integer numbers
@@ -163,6 +166,10 @@ void WatchWidget::Update()
 
   Core::CPUThreadGuard guard;
 
+  int size = static_cast<int>(PowerPC::debug_interface.GetWatches().size());
+
+  m_table->setRowCount(size + 1);
+
   for (int i = 0; i < size; i++)
   {
     const auto& entry = PowerPC::debug_interface.GetWatch(i);