only clear completed actions on navigation

Author: ryansolid

.changeset/heavy-bobcats-begin.md

@@ -0,0 +1,5 @@
+---
+"@solidjs/router": patch
+---
+
+only clear completed actions on navigation

src/routing.ts

@@ -330,7 +330,7 @@ export function createRouterContext(
       setReference(lastTransitionTarget.value);
       setState(lastTransitionTarget.state);
       resetErrorBoundaries();
-      if (!isServer) submissions[1]([]);
+      if (!isServer) submissions[1](subs => subs.filter(s => s.pending));
     }).finally(() => {
       if (lastTransitionTarget !== newTarget) return;