[Release] Fix add existing space not showing any spaces (#7756)

Author: t3chguy

src/components/views/dialogs/AddExistingToSpaceDialog.tsx

@@ -266,9 +266,11 @@ export const AddExistingToSpace: React.FC<IAddExistingToSpaceProps> = ({
 
     // only count spaces when alone as they're shown on a separate modal all on their own
     const numSpaces = (spacesRenderer && !dmsRenderer && !roomsRenderer) ? spaces.length : 0;
+    const numRooms = roomsRenderer ? rooms.length : 0;
+    const numDms = dmsRenderer ? dms.length : 0;
 
     let noResults = true;
-    if ((roomsRenderer && rooms.length > 0) || (dmsRenderer && dms.length > 0) || (numSpaces > 0)) {
+    if (numSpaces > 0 || numRooms > 0 || numDms > 0) {
         noResults = false;
     }
 
@@ -287,9 +289,9 @@ export const AddExistingToSpace: React.FC<IAddExistingToSpaceProps> = ({
         });
     };
 
-    const roomsScrollState = getScrollState(scrollState, rooms.length);
-    const spacesScrollState = getScrollState(scrollState, numSpaces, rooms.length);
-    const dmsScrollState = getScrollState(scrollState, dms.length, numSpaces, rooms.length);
+    const roomsScrollState = getScrollState(scrollState, numRooms);
+    const spacesScrollState = getScrollState(scrollState, numSpaces, numRooms);
+    const dmsScrollState = getScrollState(scrollState, numDms, numSpaces, numRooms);
 
     return <div className="mx_AddExistingToSpace">
         <SearchBox