[PUI] Plugin panel context (#8190)

* Add server-side context for panel plugin rendering

* Add "context" to PluginContext type

* Pass server context through to client-side rendering

* Bump API version

src/frontend/src/components/plugins/PluginPanel.tsx

@@ -13,6 +13,7 @@ export type PluginPanelProps = {
   label: string;
   icon?: string;
   content?: string;
+  context?: any;
   source?: string;
 };
 
@@ -82,7 +83,9 @@ export default function PluginPanelContent({
               func(ref.current, pluginContext);
               setError('');
             } catch (error) {
-              setError(t`Error occurred while rendering plugin content`);
+              setError(
+                t`Error occurred while rendering plugin content: ${error}`
+              );
             }
           } else {
             setError(t`Plugin did not provide panel rendering function`);

src/frontend/src/hooks/UsePluginPanels.tsx

@@ -111,6 +111,11 @@ export function usePluginPanels({
         );
         const isHidden: boolean = panelState[identifier] ?? true;
 
+        const pluginContext: any = {
+          ...contextData,
+          context: props.context
+        };
+
         return {
           name: identifier,
           label: props.label,
@@ -118,7 +123,7 @@ export function usePluginPanels({
           content: (
             <PluginPanelContent
               pluginProps={props}
-              pluginContext={contextData}
+              pluginContext={pluginContext}
             />
           ),
           hidden: isHidden