Replace getAgent() with reading agent (#4243)

* Replace getAgent() with agent

* Replace {agent} with agent

src/state/queries/like.ts

@@ -3,20 +3,20 @@ import {useMutation} from '@tanstack/react-query'
 import {useAgent} from '#/state/session'
 
 export function useLikeMutation() {
-  const {getAgent} = useAgent()
+  const agent = useAgent()
   return useMutation({
     mutationFn: async ({uri, cid}: {uri: string; cid: string}) => {
-      const res = await getAgent().like(uri, cid)
+      const res = await agent.like(uri, cid)
       return {uri: res.uri}
     },
   })
 }
 
 export function useUnlikeMutation() {
-  const {getAgent} = useAgent()
+  const agent = useAgent()
   return useMutation({
     mutationFn: async ({uri}: {uri: string}) => {
-      await getAgent().deleteLike(uri)
+      await agent.deleteLike(uri)
     },
   })
 }