Fix missing argument in add_file in some places (#2215)

* Fix levelfile path not relative to worldmap folder

* Fix missing argument in other places too

Author: mrkubax10

src/editor/object_settings.cpp

@@ -241,7 +241,7 @@ ObjectSettings::add_level(const std::string& text, std::string* value_ptr, const
                           const std::string& basedir,
                           unsigned int flags)
 {
-  add_file(text, value_ptr, key, {}, {".stl"}, basedir, flags);
+  add_file(text, value_ptr, key, {}, {".stl"}, basedir, true, flags);
 }
 
 void
@@ -250,7 +250,7 @@ ObjectSettings::add_sprite(const std::string& text, std::string* value_ptr,
                            boost::optional<std::string> default_value,
                            unsigned int flags)
 {
-  add_file(text, value_ptr, key, std::move(default_value), {".jpg", ".png", ".sprite"}, {}, flags);
+  add_file(text, value_ptr, key, std::move(default_value), {".jpg", ".png", ".sprite"}, {}, true, flags);
 }
 
 void
@@ -259,7 +259,7 @@ ObjectSettings::add_surface(const std::string& text, std::string* value_ptr,
                             boost::optional<std::string> default_value,
                             unsigned int flags)
 {
-  add_file(text, value_ptr, key, std::move(default_value), {".jpg", ".png", ".surface"}, {}, flags);
+  add_file(text, value_ptr, key, std::move(default_value), {".jpg", ".png", ".surface"}, {}, true, flags);
 }
 
 void
@@ -268,7 +268,7 @@ ObjectSettings::add_sound(const std::string& text, std::string* value_ptr,
                           boost::optional<std::string> default_value,
                           unsigned int flags)
 {
-  add_file(text, value_ptr, key, std::move(default_value), {".wav", ".ogg"}, {}, flags);
+  add_file(text, value_ptr, key, std::move(default_value), {".wav", ".ogg"}, {}, true, flags);
 }
 
 void
@@ -284,7 +284,7 @@ void
 ObjectSettings::add_worldmap(const std::string& text, std::string* value_ptr, const std::string& key,
                              unsigned int flags)
 {
-  add_file(text, value_ptr, key, {}, {".stwm"}, {}, flags);
+  add_file(text, value_ptr, key, {}, {".stwm"}, {}, true, flags);
 }
 
 void