short circuit automatic switch to related space behaviour and fix tests

Author: t3chguy

src/stores/SpaceStore.tsx

@@ -535,7 +535,7 @@ export class SpaceStoreClass extends AsyncStoreWithClient<IState> {
                     // Don't context switch when navigating to the space room
                     // as it will cause you to end up in the wrong room
                     this.setActiveSpace(room, false);
-                } else if (!this.getSpaceFilteredRoomIds(this.activeSpace).has(roomId)) {
+                } else if (this.activeSpace && !this.getSpaceFilteredRoomIds(this.activeSpace).has(roomId)) {
                     this.switchToRelatedSpace(roomId);
                 }
 

test/stores/SpaceStore-test.ts

@@ -641,14 +641,14 @@ describe("SpaceStore", () => {
 
         it("switch to canonical parent space for room", async () => {
             viewRoom(room1);
-            await store.setActiveSpace(null, false);
+            await store.setActiveSpace(client.getRoom(space2), false);
             viewRoom(room2);
             expect(store.activeSpace).toBe(client.getRoom(space2));
         });
 
         it("switch to first containing space for room", async () => {
             viewRoom(room2);
-            await store.setActiveSpace(null, false);
+            await store.setActiveSpace(client.getRoom(space2), false);
             viewRoom(room1);
             expect(store.activeSpace).toBe(client.getRoom(space1));
         });
@@ -659,6 +659,13 @@ describe("SpaceStore", () => {
             viewRoom(orphan1);
             expect(store.activeSpace).toBeNull();
         });
+
+        it("when switching rooms in the all rooms home space don't switch to related space", async () => {
+            viewRoom(room2);
+            await store.setActiveSpace(null, false);
+            viewRoom(room1);
+            expect(store.activeSpace).toBeNull();
+        });
     });
 
     describe("traverseSpace", () => {