Update icons in Calendar, Students, and Home components for consistency and improved UI

WebApp/Components/Pages/Home.razor

@@ -20,7 +20,7 @@
                 <strong>@Configuration["ChapterSettings:Name"]</strong>
             </MudText>
         </MudHidden>
-        <MudText Typo="Typo.h6" Color="Color.Secondary">
+        <MudText Typo="Typo.h6" Color="Color.Info">
             @Configuration["ChapterSettings:CompetitionYear"] Competition Year
         </MudText>
     </div>
@@ -109,7 +109,7 @@ else
                        Caption="Optimize meeting times"
                        NavigateUrl="/meeting-schedule"/>
 
-        <DashboardCard Icon="@Icons.Material.Filled.Event"
+        <DashboardCard Icon="@AppIcons.EventCalendar"
                        Title="Event Calendar"
                        Caption="Conference schedules"
                        NavigateUrl="/calendar"/>
@@ -119,17 +119,17 @@ else
         <MudText Typo="Typo.h4">Teams & Registration</MudText>
     </MudPaper>
     <MudGrid>
-        <DashboardCard Icon="@Icons.Material.Filled.AppRegistration"
-                       Title="Registration"
-                       Caption="View student registrations"
-                       NavigateUrl="/students/teams"/>
-
         <DashboardCard Icon="@AppIcons.Teams"
                        Title="Teams"
                        Count="@_teamCount"
                        Subtitle="Total Teams"
                        Caption="@($"{_groupTeamsCount} Team | {_individualTeamsCount} Individual")"
                        NavigateUrl="/teams" />
+
+        <DashboardCard Icon="@AppIcons.Registration"
+                       Title="Registration"
+                       Caption="View student registrations"
+                       NavigateUrl="/students/teams"/>
     </MudGrid>
 
     <MudPaper Elevation="0" Class="my-4">