Rename "fromNativePath" to "toUniformPath"

Unlike "toNativePath" which name clearly reflects the function result
"fromNativePath" has no such clear meaning.
Since this function converts path into uniform format "toUniformPath"
is better name.

src/base/rss/rss_feed.cpp

@@ -180,7 +180,7 @@ void Feed::handleMaxArticlesPerFeedChanged(const int n)
 void Feed::handleIconDownloadFinished(const Net::DownloadResult &result)
 {
     if (result.status == Net::DownloadStatus::Success) {
-        m_iconPath = Utils::Fs::fromNativePath(result.filePath);
+        m_iconPath = Utils::Fs::toUniformPath(result.filePath);
         emit iconLoaded(this);
     }
 }