ui: Refactored recent projects menu (#956)

fixes #848

src/lib/app/Application.cpp

@@ -450,7 +450,7 @@ void Application::updateRecentProjects(const FilePath& projectSettingsFilePath)
 		}
 
 		recentProjects.insert(recentProjects.begin(), projectSettingsFilePath);
-		while (static_cast<int>(recentProjects.size()) > appSettings->getMaxRecentProjectsCount())
+		while (recentProjects.size() > appSettings->getMaxRecentProjectsCount())
 		{
 			recentProjects.pop_back();
 		}

src/lib/settings/ApplicationSettings.cpp

@@ -138,7 +138,7 @@ bool ApplicationSettings::operator==(const ApplicationSettings& other) const
 		utility::isPermutation<FilePath>(getFrameworkSearchPaths(), other.getFrameworkSearchPaths());
 }
 
-int ApplicationSettings::getMaxRecentProjectsCount() const
+size_t ApplicationSettings::getMaxRecentProjectsCount() const
 {
 	return 7;
 }

src/lib/settings/ApplicationSettings.h

@@ -22,7 +22,7 @@ public:
 
 	bool operator==(const ApplicationSettings& other) const;
 
-	int getMaxRecentProjectsCount() const;
+	size_t getMaxRecentProjectsCount() const;
 
 	// application
 	std::string getFontName() const;