Fix "Show all" link behavior

Fixes #14168

CHANGELOG

@@ -14,8 +14,9 @@ v 8.6.0 (unreleased)
   - Increase the notes polling timeout over time (Roberto Dip)
 
 v 8.5.5
-  - Ensure removing a project removes associated Todo entries.
-  - Prevent a 500 error in Todos when author was removed.
+  - Ensure removing a project removes associated Todo entries
+  - Prevent a 500 error in Todos when author was removed
+  - Fix "Show all" link behavior
 
 v 8.5.4
   - Do not cache requests for badges (including builds badge)

app/assets/javascripts/projects_list.js.coffee

@@ -2,20 +2,26 @@ class @ProjectsList
   constructor: ->
     $(".projects-list .js-expand").on 'click', (e) ->
       e.preventDefault()
-      list = $(this).closest('.projects-list')
+      $projectsList = $(this).closest('.projects-list')
+      ProjectsList.showPagination($projectsList)
+      $projectsList.find('li.bottom').hide()
 
     $("#filter_projects").on 'keyup', ->
       ProjectsList.filter_results($("#filter_projects"))
 
+  @showPagination: ($projectsList) ->
+    $projectsList.find('li').show()
+    $('.gl-pagination').show()
+
   @filter_results: ($element) ->
     terms = $element.val()
     filterSelector = $element.data('filter-selector') || 'span.filter-title'
+    $projectsList = $('.projects-list')
 
     if not terms
-      $(".projects-list li").show()
-      $('.gl-pagination').show()
+      ProjectsList.showPagination($projectsList)
     else
-      $(".projects-list li").each (index) ->
+      $projectsList.find('li').each (index) ->
         $this = $(this)
         name = $this.find(filterSelector).text()