refactor RoslynAnalysis v2

Author: MattParkerDev

src/SharpIDE.Application/Features/Analysis/RoslynAnalysis.cs

@@ -208,7 +208,7 @@ public async Task ReloadProject(SharpIdeProjectModel projectModel, CancellationT
 		await _buildService.MsBuildAsync(_sharpIdeSolutionModel!.FilePath, BuildType.Restore, cancellationToken);
 		var __ = SharpIdeOtel.Source.StartActivity($"{nameof(RoslynAnalysis)}.{nameof(CustomMsBuildProjectLoader)}.{nameof(CustomMsBuildProjectLoader.LoadProjectInfosAsync)}");
 
-		var thisProject = _workspace.CurrentSolution.Projects.Single(s => s.FilePath == projectModel.FilePath);
+		var thisProject = GetProjectForSharpIdeProjectModel(projectModel);
 
 		// we can reliably rely on the Solution's graph of project inter-references, as a project has only been reloaded - no projects have been added or removed from the solution
 		var dependentProjects = _workspace.CurrentSolution.GetProjectDependencyGraph().GetProjectsThatTransitivelyDependOnThisProject(thisProject.Id);
@@ -302,7 +302,7 @@ public async Task<ImmutableArray<Diagnostic>> GetProjectDiagnostics(SharpIdeProj
 	{
 		using var _ = SharpIdeOtel.Source.StartActivity($"{nameof(RoslynAnalysis)}.{nameof(GetProjectDiagnostics)}");
 		await _solutionLoadedTcs.Task;
-		var project = _workspace!.CurrentSolution.Projects.Single(s => s.FilePath == projectModel.FilePath);
+		var project = GetProjectForSharpIdeProjectModel(projectModel);
 		var compilation = await project.GetCompilationAsync(cancellationToken);
 		Guard.Against.Null(compilation, nameof(compilation));