[Client] Prevent constant loss of key focus for chat window

apps/openmw/mwgui/keyboardnavigation.cpp

@@ -8,6 +8,17 @@
 
 #include <components/debug/debuglog.hpp>
 
+/*
+    Start of tes3mp addition
+
+    Include additional headers for multiplayer purposes
+*/
+#include "../mwmp/Main.hpp"
+#include "../mwmp/GUIController.hpp"
+/*
+    End of tes3mp addition
+*/
+
 #include "../mwbase/windowmanager.hpp"
 #include "../mwbase/environment.hpp"
 
@@ -116,7 +127,15 @@ void KeyboardNavigation::onFrame()
     if (!mEnabled)
         return;
 
-    if (!MWBase::Environment::get().getWindowManager()->isGuiMode())
+    /*
+        Start of tes3mp change (major)
+
+        Don't clear key focus widget when not in menus if the chat is currently focused
+    */
+    if (!MWBase::Environment::get().getWindowManager()->isGuiMode() && !mwmp::Main::get().getGUIController()->getChatEditState())
+    /*
+        End of tes3mp change (major)
+    */
     {
         MWBase::Environment::get().getWindowManager()->setKeyFocusWidget(nullptr);
         return;