fix(tours): open the tour dialogs in the middle of the screen

The walk from a Google Maps link, the take-over from another trip and the
other new tour dialogs sat at the top of the screen; they now open centred
like the planner's own dialogs.

client/src/components/Atlas/tourActivity/TourActivityStatsDialog.tsx

@@ -151,7 +151,6 @@ export function TourActivityStatsDialog({
       onClose={onClose}
       labelledBy={labelId}
       width="editor"
-      align="top"
       header={
         <DialogHeader
           tile={

client/src/components/Tours/activity/TourActivityDialog.tsx

@@ -208,7 +208,6 @@ export default function TourActivityDialog({
         onClose={state.closeAssign}
         labelledBy={labelId}
         width="detail"
-        align="top"
         blocked={state.busy || importing}
         header={
           <DialogHeader

client/src/components/Tours/collection/CollectionTourTakeOverDialog.tsx

@@ -356,7 +356,6 @@ export function CollectionTourTakeOverDialog({ takeOver }: { takeOver: Collectio
       onClose={takeOver.close}
       labelledBy={labelId}
       width={takeOver.done ? 'narrow' : 'wide'}
-      align="top"
       blocked={takeOver.taking}
       header={
         <DialogHeader

client/src/components/Tours/collection/SaveTourToCollectionDialog.tsx

@@ -121,7 +121,6 @@ export function SaveTourToCollectionDialog({ keep, tourName }: { keep: SaveTourT
       onClose={keep.close}
       labelledBy={labelId}
       width="narrow"
-      align="top"
       blocked={keep.saving}
       header={
         <DialogHeader

client/src/components/Tours/horse/HorseRouteDialog.tsx

@@ -71,7 +71,6 @@ export function HorseRouteDialog({
       onClose={onClose}
       labelledBy={labelId}
       width="editor"
-      align="top"
       header={
         <DialogHeader
           tile={

client/src/components/Tours/library/TourLibraryDialog.tsx

@@ -192,7 +192,6 @@ export function TourLibraryDialog({ library }: { library: TourLibrary }) {
       onClose={library.close}
       labelledBy={labelId}
       width="wide"
-      align="top"
       blocked={library.taking}
       header={
         <DialogHeader

client/src/components/Tours/packing/TourPackingLinkDialog.tsx

@@ -100,7 +100,6 @@ export function TourPackingLinkDialog({ packing, tourName }: { packing: TourPack
       onClose={packing.close}
       labelledBy={labelId}
       width="narrow"
-      align="top"
       blocked={packing.saving}
       header={
         <DialogHeader

client/src/components/Tours/walk/WalkImportDialog.tsx

@@ -220,7 +220,6 @@ export function WalkImportDialog({
       onClose={walkImport.close}
       labelledBy={titleId}
       width="narrow"
-      align="top"
       onSubmit={submit}
       header={head}
       footer={<WalkImportFooter walkImport={walkImport} />}