UX: Update icons in Settings and Library

frontend/src/pages/library.vue

@@ -70,7 +70,7 @@ export default {
         'label': this.$gettext('Import'),
         'class': '',
         'path': '/library/import',
-        'icon': 'perm_media',
+        'icon': 'create_new_folder',
         'readonly': false,
         'demo': true,
       },

frontend/src/pages/library/import.vue

@@ -84,7 +84,7 @@
             @click.stop="startImport()"
         >
           <translate>Import</translate>
-          <v-icon right dark>sync</v-icon>
+          <v-icon right dark>update</v-icon>
         </v-btn>
       </v-container>
     </v-form>

frontend/src/pages/settings/general.vue

@@ -129,7 +129,7 @@
                   color="secondary-dark"
                   :label="$gettext('Originals')"
                   :hint="$gettext('Browse indexed files and folders in Library.')"
-                  prepend-icon="insert_drive_file"
+                  prepend-icon="snippet_folder"
                   persistent-hint
                   @change="onChange"
               >
@@ -144,7 +144,7 @@
                   color="secondary-dark"
                   :label="$gettext('Moments')"
                   :hint="$gettext('Let PhotoPrism create albums from past events.')"
-                  prepend-icon="star"
+                  prepend-icon="explore"
                   persistent-hint
                   @change="onChange"
               >
@@ -189,7 +189,7 @@
                   color="secondary-dark"
                   :label="$gettext('Import')"
                   :hint="$gettext('Imported files will be sorted by date and given a unique name.')"
-                  prepend-icon="perm_media"
+                  prepend-icon="create_new_folder"
                   persistent-hint
                   @change="onChange"
               >