Live location sharing - basic maximised beacon map (#8310)

* open a dialog with map centered around first beacon

Signed-off-by: Kerry Archibald <kerrya@element.io>

* add room member markers

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fix unmount issue in smart marker

Signed-off-by: Kerry Archibald <kerrya@element.io>

* dont throw on no more live locations

Signed-off-by: Kerry Archibald <kerrya@element.io>

* cursor on beacon maps

Signed-off-by: Kerry Archibald <kerrya@element.io>

* fussy import ordering

Signed-off-by: Kerry Archibald <kerrya@element.io>

* test dialog opening from beacon body

Signed-off-by: Kerry Archibald <kerrya@element.io>

* test beaconmarker

Signed-off-by: Kerry Archibald <kerrya@element.io>

* test BeaconViewDialog

Signed-off-by: Kerry Archibald <kerrya@element.io>

* comment

Signed-off-by: Kerry Archibald <kerrya@element.io>

* use unstable prefix for wk tile_Server

Signed-off-by: Kerry Archibald <kerrya@element.io>

* unstable prefix for new m.tile_server use in test

Signed-off-by: Kerry Archibald <kerrya@element.io>

src/components/views/location/LocationViewDialog.tsx

@@ -34,6 +34,9 @@ interface IState {
     error: Error;
 }
 
+/**
+ * Dialog to view m.location events maximised
+ */
 export default class LocationViewDialog extends React.Component<IProps, IState> {
     constructor(props: IProps) {
         super(props);