fix(notes): hide discovery button if empty

src/pages/feed/FeedTabPosts.tsx

@@ -14,7 +14,6 @@ import { NoteSubmit } from 'components/Notes/NoteSubmit'
 import { Note } from 'components/Notes/Note'
 import { FeedPostsFilter, RepostFilter } from 'types'
 import { DEFAULT_FILTER_OPTIONS } from 'utils'
-import { Dots } from 'components/Spinner'
 
 export const FeedTabPosts = () => {
   const SHOWING_STEP = 20
@@ -190,6 +189,7 @@ export const FeedTabPosts = () => {
   return (
     <>
       <NoteSubmit />
+      {discoveredCount ? (
         <div>
           <button
             className='btnMain'
@@ -198,19 +198,11 @@ export const FeedTabPosts = () => {
             onClick={discoveredCount ? handleDiscoveredClick : undefined}
           >
             <span>
-            {isFetching ? (
-              <>
-                Discovering notes
-                <Dots />
-              </>
-            ) : discoveredCount ? (
               <>Load {discoveredCount} discovered notes</>
-            ) : (
-              <>No new notes</>
-            )}
             </span>
           </button>
         </div>
+      ) : null}
       {isFetching && <LoadingSpinner desc='Fetching notes from relays' />}
       {filteredNotes.length === 0 && !isFetching && (
         <div className='IBMSMListFeedNoPosts'>