Fixing settings not being applied when saving as a new file (#3625)

internal/buffer/save.go

@@ -232,6 +232,6 @@ func (b *Buffer) saveToFile(filename string, withSudo bool, autoSave bool) error
 	absPath, _ := filepath.Abs(filename)
 	b.AbsPath = absPath
 	b.isModified = false
-	b.UpdateRules()
+	b.ReloadSettings(true)
 	return err
 }