fixes few icons deprecations warnings (#6915)

app/assets/javascripts/admin/templates/components/admin-report.hbs

@@ -69,7 +69,7 @@
             </div>
           {{else}}
             <div class="alert alert-info report-alert no-data">
-              {{d-icon "pie-chart"}}
+              {{d-icon "chart-pie"}}
               {{#if model.reportUrl}}
                 <a href="{{model.reportUrl}}" class="report-url">
                   <span>
@@ -192,7 +192,7 @@
                 class="refresh-report-btn btn-primary"
                 action=(action "refreshReport")
                 label="admin.dashboard.reports.refresh_report"
-                icon="refresh"}}
+                icon="sync"}}
             </div>
           </div>
         {{/if}}

app/assets/javascripts/admin/templates/dashboard.hbs

@@ -26,13 +26,13 @@
     <div class="dashboard-stats totals">
       <table>
         <tr>
-          <td class="title">{{d-icon "shield"}} {{i18n 'admin.dashboard.admins'}}</td>
+          <td class="title">{{d-icon "shield-alt"}} {{i18n 'admin.dashboard.admins'}}</td>
           <td class="value">{{#link-to 'adminUsersList.show' 'admins'}}{{admins}}{{/link-to}}</td>
           <td class="title">{{d-icon "ban"}} {{i18n 'admin.dashboard.suspended'}}</td>
           <td class="value">{{#link-to 'adminUsersList.show' 'suspended'}}{{suspended}}{{/link-to}}</td>
         </tr>
         <tr>
-          <td class="title">{{d-icon "shield"}} {{i18n 'admin.dashboard.moderators'}}</td>
+          <td class="title">{{d-icon "shield-alt"}} {{i18n 'admin.dashboard.moderators'}}</td>
           <td class="value">{{#link-to 'adminUsersList.show' 'moderators'}}{{moderators}}{{/link-to}}</td>
           <td class="title">{{d-icon "ban"}} {{i18n 'admin.dashboard.silenced'}}</td>
           <td class="value">{{#link-to 'adminUsersList.show' 'silenced'}}{{silenced}}{{/link-to}}</td>

app/assets/javascripts/admin/templates/users-list-show.hbs

@@ -95,10 +95,10 @@
             {{/if}}
             <td class="user-status">
               {{#if user.admin}}
-                {{d-icon "shield" title="admin.title" }}
+                {{d-icon "shield-alt" title="admin.title" }}
               {{/if}}
               {{#if user.moderator}}
-                {{d-icon "shield" title="admin.moderator" }}
+                {{d-icon "shield-alt" title="admin.moderator" }}
               {{/if}}
               {{#if user.second_factor_enabled}}
                 {{d-icon "lock" title="admin.user.second_factor_enabled" }}