Windows: fix user directory opening in the wrong place (#16842)

src/porting.cpp

@@ -887,6 +887,7 @@ static bool open_uri(const std::string &uri)
 		errorstream << "Unable to open URI as it is invalid, contains new line: " << uri << std::endl;
 		return false;
 	}
+	verbosestream << "Opening URI: " << uri << std::endl;
 
 #if defined(_WIN32)
 	return (intptr_t)ShellExecuteA(NULL, NULL, uri.c_str(), NULL, NULL, SW_SHOWNORMAL) > 32;
@@ -920,7 +921,11 @@ bool open_directory(const std::string &path)
 		return false;
 	}
 
-	return open_uri(path);
+	// 'fs::AbsolutePath' is a workaround for Windows (10, ... ?) where the relative part of the path
+	// such as in "bin\.." is discarded by 'ShellExecuteA'. Hence, resolve it manually.
+	// This is done on all platforms because why not.
+
+	return open_uri(fs::AbsolutePath(path));
 }
 
 // Load performance counter frequency only once at startup