vSphere connection configuration modal stays in unresponsive status for a long time after user updates 'Virtual Machine Folder' value

1. vSphere connection configuration modal stays in unresponsive status for a long time after user updates 'Virtual Machine Folder' value
2. user is not able to update the configuration again when the changes are applying

4.16.0-0.nightly-2024-02-22-021321

Always    

1. setup cluster landed in vSphere
2. try to update 'Virtual Machine Folder' value in vSphere connection configuration modal
3. click 'Save'
    

3. vSphere connection configuration modal will be in Saving status for a very long time, user can not Close nor Cancel the changes.

when we check in backend, the changes already in place in cm/cloud-provider-config 

also user is not able to update the configuration again when the changes are applying

3. user should be able to continue updating the values or close the modal since the modal is only exposed to user to update the value, user don't need to wait until all finished, also the changes already take place in backend