feat: member can also invite by SSB-ID

Closes ssbc#283.

web/templates/admin/member-list.tmpl

@@ -23,19 +23,16 @@ SPDX-License-Identifier: CC-BY-4.0
     <label class="block mt-6 mb-1 text-sm text-gray-500">{{ i18n "AdminAddNewMemberTitle" }}</label>
     <div id="add-member-input-container" class="flex flex-row items-center justify-start mb-6">
       <input
-        {{ if member_is_elevated }} {{ else }} disabled {{ end }}
         type="text"
         name="pub_key"
         placeholder="{{i18n "PubKeyRefPlaceholder"}}"
-        class="w-8/12 self-stretch shadow rounded border border-transparent h-10 p-1 pl-4 font-mono truncate 
+        class="w-8/12 self-stretch shadow rounded border border-transparent h-10 p-1 pl-4 font-mono truncate
         text-purple-600 focus:outline-none focus:ring-2 focus:ring-purple-400 focus:border-transparent
-        {{ if member_is_elevated }} {{ else }} shadow ring-1 ring-gray-300 opacity-50 bg-gray-200 cursor-not-allowed {{ end }}
         ">
       <button
-        {{ if member_is_elevated }} {{ else }} disabled {{ end }}
         type="submit"
         class="ml-4 h-10 shadow rounded px-6 text-purple-600 ring-1 bg-white focus:outline-none focus:ring-2 focus:ring-purple-400
-        {{ if member_is_elevated }} ring-purple-400 hover:bg-purple-600 hover:text-gray-100 {{ else }} opacity-50 ring-purple-300 bg-purple-200 cursor-not-allowed {{ end }}
+        ring-purple-400 hover:bg-purple-600 hover:text-gray-100
         "
         >{{i18n "AdminMembersAdd"}}</button>
     </div>