feat(client): Unify donation loading state (#43179)

* initial loading state unification

* feat(client): show buttons after 3 seconds

* fix: use window.setInterval explicitly

Otherwise TS assumes that it's node's setInterval

* feat(client): remove spinner when first button load

* feat(client): move the loader to the donate page button area

* feat(client): extract grid from modal donation form

* feat(client): remove duplicate donation forms

* feat(client):extract unused components from donationForm

* feat(client): load paypal on load not onInit (for perf)

* feat(client): set paypal loading state if stripe already loaded

* feat(clinet):make lpaypal oading condition strickt.

* Apply suggestions from code review

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

* feat: clean up

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

client/src/pages/donate.tsx

@@ -113,7 +113,11 @@ function DonatePage({
                 </Alert>
               ) : null}
               <DonationText />
-              <DonateForm handleProcessing={handleProcessing} />
+              <Row>
+                <Col xs={12}>
+                  <DonateForm handleProcessing={handleProcessing} />
+                </Col>
+              </Row>
               <Row className='donate-support'>
                 <Col xs={12}>
                   <hr />