Nav: fixed programmatic nav calls (e.g. SetKeyboardFocusHere() from storing io.KeyMods)

Note that the g.NavMoveKeyMods -> g.NavJustMovedToKeyMods chain is not used in this branch. Multi-select uses it.

imgui.cpp

@@ -11362,7 +11362,7 @@ void ImGui::NavMoveRequestSubmit(ImGuiDir move_dir, ImGuiDir clip_dir, ImGuiNavM
     g.NavMoveFlags = move_flags;
     g.NavMoveScrollFlags = scroll_flags;
     g.NavMoveForwardToNextFrame = false;
-    g.NavMoveKeyMods = g.IO.KeyMods;
+    g.NavMoveKeyMods = (move_flags & ImGuiNavMoveFlags_FocusApi) ? 0 : g.IO.KeyMods;
     g.NavMoveResultLocal.Clear();
     g.NavMoveResultLocalVisible.Clear();
     g.NavMoveResultOther.Clear();