Moved workspace id failing to parse from an error to part of the trace.

With named persistent workspaces it is expected behavior that they have
no id since their workspace may not have been created by hyprland yet.

src/modules/hyprland/workspaces.cpp

@@ -1129,7 +1129,7 @@ std::optional<int> Workspaces::parseWorkspaceId(std::string const &workspaceIdSt
   try {
     return workspaceIdStr == "special" ? -99 : std::stoi(workspaceIdStr);
   } catch (std::exception const &e) {
-    spdlog::error("Failed to parse workspace ID: {}", e.what());
+    spdlog::debug("Workspace \"{}\" is not bound to an id: {}", workspaceIdStr, e.what());
     return std::nullopt;
   }
 }