Space cards aren't vertically stretched in My Memberships Dialog (#5463)

Co-authored-by: Carlos Cano <[email protected]>

Author: me-andre

src/main/topLevelPages/myDashboard/myMemberships/MyMembershipsDialog.tsx

@@ -47,7 +47,14 @@ const MyMembershipsDialog = ({ open, onClose }: MyJourneysDialogProps) => {
       <DialogContent>
         <Gutters disablePadding>
           {myMemberships?.map(space => (
-            <PageContentBlock row flexWrap="wrap" sx={{ background: theme => theme.palette.background.default }}>
+            <PageContentBlock
+              row
+              flexWrap="wrap"
+              sx={{
+                background: theme => theme.palette.background.default,
+                alignItems: 'start',
+              }}
+            >
               <SpaceCard
                 banner={space.profile.cardBanner}
                 displayName={space.profile.displayName}