fix(studio): stop compute usage charts stretching the Infrastructure page

A flex column on the overview section made the charts' h-full resolve
against the viewport, which left a large empty region below the sticky
review bar once compute was selected.

apps/studio/components/interfaces/DiskManagement/DiskManagementForm.tsx

@@ -456,7 +456,7 @@ export function DiskManagementForm({
       <form id="disk-compute-form" onSubmit={form.handleSubmit(onSubmit)}>
         <PageContainer size="default" className="pb-16">
           <PageSection>
-            <PageSectionContent className="flex flex-col gap-y-6">
+            <PageSectionContent className="space-y-6">
               {overviewExtra}
               <ComputeAndDiskUsageCharts className={chartsClassName} />
             </PageSectionContent>