Nav: Selectable(): activating selectable also sets NavId + removed the MouseDelta test (added in 43ee5d73e9, #323) as I don't think it is needed. (#787)

imgui.cpp

@@ -9788,7 +9788,8 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
         selected = false;
 
     // Hovering selectable with mouse updates NavId accordingly so navigation can be resumed with gamepad/keyboard (this doesn't happen on most widgets)
-    if (hovered && !g.NavDisableMouseHover && g.NavWindow == window && (g.IO.MouseDelta.x != 0.0f || g.IO.MouseDelta.y != 0.0f))
+    if (pressed || hovered)// && (g.IO.MouseDelta.x != 0.0f || g.IO.MouseDelta.y != 0.0f))
+        if (!g.NavDisableMouseHover && g.NavWindow == window)
         {
             g.NavDisableHighlight = true;
             SetNavId(id, window->DC.NavLayerCurrent);