fix(migrate-panel): spacing between components

src/pages/ValidatorManagement/ManageValidator/RightManageSettings/Panels/MigratePanel.tsx

@@ -44,7 +44,9 @@ const MigratePanel = () => {
           />
         )}
       </div>
-      <XStack style={{ width: '100%', justifyContent: 'end' }}>
+      <XStack
+        style={{ width: '100%', justifyContent: 'end', marginTop: '6px' }}
+      >
         <Button onPress={migrateValidatorHandler}>Migrate Validator</Button>
       </XStack>
     </PanelWrapper>

src/pages/ValidatorManagement/ManageValidator/RightManageSettings/Panels/PanelWrapper.tsx

@@ -6,7 +6,7 @@ type PanelWrapperProps = {
 
 const PanelWrapper = ({ children }: PanelWrapperProps) => {
   return (
-    <YStack space={'$2'} style={{ padding: '30px', alignItems: 'start' }}>
+    <YStack space={'$3'} style={{ padding: '30px', alignItems: 'start' }}>
       {children}
     </YStack>
   )