Ensure submitting and success screen icon messages are at the same position, ensure no overflow at the bottom of the page, try to hide overflow peeking through on the right side of the page.

webapp/channels/src/components/self_hosted_purchases/self_hosted_expansion_modal/submitting.tsx

@@ -13,6 +13,8 @@ import {ValueOf} from '@mattermost/types/utilities';
 import CreditCardSvg from 'components/common/svg_images_components/credit_card_svg';
 import IconMessage from 'components/purchase_modal/icon_message';
 
+import './submitting_page.scss'
+
 function useConvertProgressToWaitingExplanation(progress: ValueOf<typeof SelfHostedSignupProgress>, planName: string): React.ReactNode {
     const intl = useIntl();
     switch (progress) {

webapp/channels/src/components/self_hosted_purchases/self_hosted_expansion_modal/submitting_page.scss

@@ -0,0 +1,6 @@
+.submitting {
+    overflow: hidden;
+    .processing {
+        margin-top: 163px;
+    }
+}

webapp/channels/src/components/self_hosted_purchases/self_hosted_expansion_modal/success_page.scss

@@ -15,5 +15,8 @@
 }
 
 .self_hosted_expansion_success {
-    margin-top: 163px;
+    overflow: hidden;
+    .selfHostedExpansionModal__success {
+        margin-top: 163px;
+    }
 }