fix:the workspace data is null in a small probability

src/modules/hyprland/workspaces.cpp

@@ -6,14 +6,18 @@
 #include <algorithm>
 #include <charconv>
 #include <memory>
+#include <shared_mutex>
 #include <string>
+#include <thread>
 #include <utility>
 #include <variant>
 
 #include "util/regex_collection.hpp"
 
 namespace waybar::modules::hyprland {
 
+std::shared_mutex workspaceCreateSmtx;
+
 int Workspaces::windowRewritePriorityFunction(std::string const &window_rule) {
   // Rules that match against title are prioritized
   // Rules that don't specify if they're matching against either title or class are deprioritized
@@ -161,6 +165,7 @@ auto Workspaces::update() -> void {
   }
 
   // add workspaces that wait to be created
+  std::shared_lock<std::shared_mutex> workspaceCreateShareLock(workspaceCreateSmtx);
   unsigned int currentCreateWorkspaceNum = 0;
   for (Json::Value const &workspaceToCreate : m_workspacesToCreate) {
     createWorkspace(workspaceToCreate);
@@ -300,6 +305,7 @@ void Workspaces::onWorkspaceCreated(std::string const &payload) {
       if (name == payload &&
           (allOutputs() || m_bar.output->name == workspaceJson["monitor"].asString()) &&
           (showSpecial() || !name.starts_with("special")) && !isDoubleSpecial(payload)) {
+        std::unique_lock<std::shared_mutex> workspaceCreateUniqueLock(workspaceCreateSmtx);
         m_workspacesToCreate.push_back(workspaceJson);
         break;
       }