Properly restore plugin view sizes again
378c65d5 broke the plugin size restore when kate is closed with no active plugin views. This is because the sidebar will (mistakenly) be thought as collapsed, when in fact no plugins are activated.
378c65d5 broke the plugin size restore when kate is closed with no active plugin views. This is because the sidebar will (mistakenly) be thought as collapsed, when in fact no plugins are activated.