SSDM-13273 : Admin UI - remember the sizes of side panels between reloads

openbis_ng_ui/src/js/components/common/page/PageWithTwoPanels.jsx

@@ -87,6 +87,7 @@ class PageWithTwoPanels extends React.PureComponent {
               direction={{
                 left: true
               }}
+              width='35%'
             >
               <div className={classes.additionalPanel}>{additionalPanel}</div>
             </ResizableWithOpenbis>

openbis_ng_ui/src/js/components/common/resizable/ResizableWithOpenbis.jsx

@@ -9,7 +9,7 @@ class ResizableClass extends React.PureComponent {
     super(props)
 
     this.state = {
-      width: '25%'
+      width: this.props.width || '25%'
     }
 
     this.handleResize = this.handleResize.bind(this)