clean up some core context APIs

packages/signals/src/rt.rs

@@ -33,7 +33,7 @@ fn current_owner() -> Rc<Owner> {
             Some(rt) => rt,
             None => {
                 let owner = Rc::new(current_store().owner());
-                provide_context(owner).expect("in a virtual dom")
+                provide_context(owner)
             }
         },
     }
@@ -44,7 +44,7 @@ fn owner_in_scope(scope: ScopeId) -> Rc<Owner> {
         Some(rt) => rt,
         None => {
             let owner = Rc::new(current_store().owner());
-            scope.provide_context(owner).expect("in a virtual dom")
+            scope.provide_context(owner)
         }
     }
 }

packages/signals/src/signal.rs

@@ -85,7 +85,7 @@ fn current_unsubscriber() -> Unsubscriber {
                 scope: current_scope_id().expect("in a virtual dom"),
                 subscribers: Default::default(),
             };
-            provide_context(owner).expect("in a virtual dom")
+            provide_context(owner)
         }
     }
 }