[web] group tab on plans updates for group pricing (#22485)

* hide discounts
* show updated large groups upsell
* show group member picker
* expand educational discounts to all group plans
* add spacing above group plan prices
* change contact modal trigger to contact sales link
* add dropdown treatment to group tab improvement default treatment

GitOrigin-RevId: 690763361672e248c21198741d8870569411c8c1

services/web/frontend/stylesheets/app/plans/plans-new-design.less

@@ -393,6 +393,10 @@
       font-weight: 600;
       line-height: var(--line-height-07);
       color: var(--neutral-90);
+
+      &[data-ol-plans-new-group-without-discount] {
+        padding-top: var(--spacing-04);
+      }
     }
 
     .plans-new-table-header-price-unit {

services/web/locales/en.json

@@ -159,6 +159,7 @@
   "app_on_x": "__appName__ on __social__",
   "apply_educational_discount": "Apply educational discount",
   "apply_educational_discount_info": "Overleaf offers a 40% educational discount for groups of 10 or more. Applies to students or faculty using Overleaf for teaching.",
+  "apply_educational_discount_info_2025_pricing": "40% discount for groups using __appName__ for teaching",
   "apply_educational_discount_info_new": "40% discount for groups of 10 or more using __appName__ for teaching",
   "apply_suggestion": "Apply suggestion",
   "april": "April",
@@ -1348,6 +1349,7 @@
   "navigate_log_source": "Navigate to log position in source code: __location__",
   "navigation": "Navigation",
   "nearly_activated": "You’re one step away from activating your __appName__ account!",
+  "need_50_plus_users_discount": "50+ users? <0>Contact Sales</0> to get the best discounts.",
   "need_anything_contact_us_at": "If there is anything you ever need please feel free to contact us directly at",
   "need_contact_group_admin_to_make_changes": "You’ll need to contact your group admin if you want to make certain changes to your account. <0>Read more about managed users.</0>",
   "need_make_changes": "You need to make some changes",