use link_to, as button_to doesn't allow for openign links in a new tab

app/views/customers/_actions.html.erb

@@ -3,7 +3,7 @@
 <br/>
 <br/>
 
-<%= button_to t(:label_create_estimate), "https://qbo.intuit.com/app/estimate?nameId=#{@customer.id}", target: :_blank, method: :get %>
+<%= link_to t(:label_create_estimate), "https://qbo.intuit.com/app/estimate?nameId=#{@customer.id}", target: :_blank, method: :get %>
 
 <br/>
 <br/>

init.rb

@@ -14,7 +14,7 @@ Redmine::Plugin.register :redmine_qbo do
   name 'Redmine QBO plugin'
   author 'Rick Barrette'
   description 'A pluging for Redmine to connect with QuickBooks Online to create Time Activity Entries for billable hours logged when an Issue is closed'
-  version '2026.2.2'
+  version '2026.2.3
   url 'https://github.com/rickbarrette/redmine_qbo'
   author_url 'https://barrettefabrication.com'
   settings default: {empty: true}, partial: 'qbo/settings'

lib/redmine_qbo/patches/issues_controller_patch.rb

@@ -15,6 +15,7 @@ module RedmineQbo
 
       module Helper
         def watcher_link(issue, user)
+          link = ''
           link = link_to(I18n.t(:label_bill_time), bill_path( issue.id ), method: :get, class: 'icon icon-email-add') if user.admin?
           link << link_to(I18n.t(:label_share), share_path( issue.id ), method: :get, target: :_blank, class: 'icon icon-shared') if user.logged?
           link.html_safe + super