PlugOS refactor and other tweaks (#631)

* Prep for in-process plug loading (e.g. for CF workers, Deno Deploy)
* Prototype of fixed in-process loading plugs
* Fix: buttons not to scroll with content
* Better positioning of modal especially on mobile
* Move query caching outside query
* Fix annoying mouse behavior when filter box appears
* Page navigator search tweaks

plugs/tasks/complete.ts

@@ -9,9 +9,7 @@ export async function completeTaskState(completeEvent: CompleteEvent) {
   if (!taskMatch) {
     return null;
   }
-  const allStates = await queryObjects<TaskStateObject>("taskstate", {
-    cacheSecs: 5,
-  });
+  const allStates = await queryObjects<TaskStateObject>("taskstate", {}, 5);
   const states = [...new Set(allStates.map((s) => s.state))];
 
   return {