Limit group activity metrics value to 999

What does this MR do and why?

Limits the value displayed in group activity metrics

• With the limit at 999, when we have 1000 display 999+
• Add a tooltip which says "Results limit reached"

Screenshots or screen recordings

Screen_Recording_2022-11-23_at_11.23.03_am

How to set up and validate locally

1. Apply the patch below

Patch for testing

diff --git a/ee/lib/analytics/group_activity_calculator.rb b/ee/lib/analytics/group_activity_calculator.rb
index a2bb06291790..436c7ad26b60 100644
--- a/ee/lib/analytics/group_activity_calculator.rb
+++ b/ee/lib/analytics/group_activity_calculator.rb
@@ -11,25 +11,28 @@ def initialize(group, current_user)
     end
 
     def issues_count
-      @issues_count ||= fetch_cached(:issues) do
-        IssuesFinder.new(@current_user, issuable_params).execute.count
-      end
+      @issues_count ||= 1000
+      # @issues_count ||= fetch_cached(:issues) do
+      #   IssuesFinder.new(@current_user, issuable_params).execute.count
+      # end
     end
 
     def merge_requests_count
-      @merge_requests_count ||= fetch_cached(:merge_requests) do
-        MergeRequestsFinder.new(@current_user, issuable_params).execute.count
-      end
+      @merge_requests_count ||= 999
+      # @merge_requests_count ||= fetch_cached(:merge_requests) do
+      #   MergeRequestsFinder.new(@current_user, issuable_params).execute.count
+      # end
     end
 
     def new_members_count
-      @new_members_count ||= fetch_cached(:new_members) do
-        GroupMembersFinder.new(
-          @group,
-          @current_user,
-          params: { created_after: RECENT_DURATION.ago }
-        ).execute(include_relations: [:direct, :descendants]).count
-      end
+      @new_members_count ||= 998
+      # @new_members_count ||= fetch_cached(:new_members) do
+      #   GroupMembersFinder.new(
+      #     @group,
+      #     @current_user,
+      #     params: { created_after: RECENT_DURATION.ago }
+      #   ).execute(include_relations: [:direct, :descendants]).count
+      # end
     end
 
     private

1. Navigate to any group page

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #366919 (closed)