Finished the rename and responsibility change

src/Tools/BuildBoss/ProjectCheckerUtil.cs

@@ -14,7 +14,7 @@ namespace BuildBoss
     internal sealed class ProjectCheckerUtil
     {
         private readonly ProjectData _data;
-        private readonly ProjectUtil _fileUtil;
+        private readonly ProjectUtil _projectUtil;
         private readonly Dictionary<ProjectKey, ProjectData> _solutionMap;
 
         internal ProjectFileType ProjectType => _data.ProjectFileType;
@@ -23,6 +23,7 @@ internal sealed class ProjectCheckerUtil
         internal ProjectCheckerUtil(ProjectData data, Dictionary<ProjectKey, ProjectData> solutionMap)
         {
             _data = data;
+            _projectUtil = data.ProjectUtil;
             _solutionMap = solutionMap;
         }
 

src/Tools/BuildBoss/ProjectData.cs

@@ -13,7 +13,7 @@ internal sealed class ProjectData
         internal ProjectKey Key { get; }
         internal string FilePath { get; }
         internal XDocument Document { get; }
-        internal ProjectUtil ProjectFileUtil { get; }
+        internal ProjectUtil ProjectUtil { get; }
 
         internal string FileName => Path.GetFileName(FilePath);
         internal string Directory => Path.GetDirectoryName(FilePath);
@@ -24,7 +24,7 @@ internal ProjectData(string filePath)
             Key = new ProjectKey(filePath);
             FilePath = Key.FilePath;
             Document = XDocument.Load(FilePath);
-            ProjectFileUtil = new ProjectUtil(Key, Document);
+            ProjectUtil = new ProjectUtil(Key, Document);
         }
     }
 }