fix: element modal action buttons get large size (#2759)

Similar to the ModalActions component, the modals within the Elements
folder should set the button size to large for the footer row (action buttons).

Author: alexkrolick

src/elements/common/modal.scss

@@ -1,5 +1,6 @@
 @import '../../styles/variables';
 @import './variables';
+@import '../../styles/mixins/buttons';
 
 .be-modal {
     .be-modal-btns {
@@ -8,6 +9,8 @@
         padding: 15px 0 0;
 
         .btn {
+            @include bdl-Button--large;
+
             margin-left: 8px;
         }
     }

src/elements/content-uploader/Footer.scss

@@ -1,4 +1,5 @@
 @import '../common/variables';
+@import '../../styles/mixins/buttons';
 
 .bcu-footer {
     display: flex;
@@ -9,6 +10,10 @@
     background-color: $almost-white;
     border-top: 1px solid $bdl-gray-10;
 
+    .btn {
+        @include bdl-Button--large;
+    }
+
     .bcu-footer-message {
         padding: 0 10px;
         text-align: center;

src/features/content-explorer/content-explorer/ContentExplorer.scss

@@ -1,4 +1,5 @@
 @import '../../../styles/variables';
+@import '../../../styles/mixins/buttons';
 
 .content-explorer {
     .content-explorer-search-new-folder-container {
@@ -86,6 +87,10 @@
         padding-top: 20px;
         border-top: 1px solid $bdl-gray-10;
 
+        .btn {
+            @include bdl-Button--large;
+        }
+
         .status-message {
             position: absolute;
             left: 0;