refactor: 重构战斗，抽出BattleHelper基类（还没写完，睡觉要紧）

1>D:\Code\MeoAssistantArknights\src\MaaCore\Task\AbstractTask.cpp(25,1): error C2220: 以下警告被视为错误
1>D:\Code\MeoAssistantArknights\src\MaaCore\Task\AbstractTask.cpp(24,17): warning C4589: 抽象类“asst::AbstractTask”的构造函数忽略虚拟基类“asst::InstHelper”的初始化设定值
1>D:\Code\MeoAssistantArknights\src\MaaCore\Task\AbstractTask.cpp(24,17): message : 虚拟基类仅由最底层派生类型进行初始化

src/MaaCore/InstHelper.cpp

@@ -1,6 +1,7 @@
 #include "InstHelper.h"
 
 #include "Assistant.h"
+#include "Utils/Logger.hpp"
 
 asst::InstHelper::InstHelper(asst::Assistant* inst) : m_inst(inst) {}
 
@@ -15,4 +16,29 @@ std::shared_ptr<asst::Status> asst::InstHelper::status() const
 bool asst::InstHelper::need_exit() const
 {
     return m_inst ? m_inst->need_exit() : false;
-}
+}
+
+bool asst::InstHelper::sleep(unsigned millisecond) const
+{
+    if (need_exit()) {
+        return false;
+    }
+    if (millisecond == 0) {
+        std::this_thread::yield();
+        return true;
+    }
+    auto start = std::chrono::steady_clock::now();
+    Log.trace("ready to sleep", millisecond);
+    auto millisecond_ms = std::chrono::milliseconds(millisecond);
+    auto interval = millisecond_ms / 5;
+
+    while (!need_exit()) {
+        std::this_thread::sleep_for(interval);
+        if (std::chrono::steady_clock::now() - start > millisecond_ms) {
+            break;
+        }
+    }
+    Log.trace("end of sleep", millisecond);
+
+    return !need_exit();
+}