app-catalog: Show install request accepted message

When creating a install request for a chart, we want to notify the user
that the request has been accepted and close the editor as well so that
user can interact with rest of the app meanwhile the install request
works in background.

Author: ashu8912

app-catalog/src/components/charts/EditorDialog.tsx

@@ -149,6 +149,10 @@ export function EditorDialog(props: {
         chartInstallDescription
       )
         .then(() => {
+          enqueueSnackbar(`Install release request for ${releaseName} created successfully`, {
+            variant: 'info',
+          })
+          handleEditor(false);
           checkInstallStatus(releaseName);
         })
         .catch(error => {
@@ -291,6 +295,7 @@ export function EditorDialog(props: {
                 setReleaseName('');
                 setSelectedVersion(null);
                 setSelectedNamespace(null);
+                setChartInstallDescription('');
               }}
               language="yaml"
               height="500px"