Adding config options and toggles for various things.

src/routes/events_pres_mgmt/presenter_view.svelte

@@ -347,7 +347,7 @@ $: if ($lq__event_presenter_obj) {
             Copy Access Link
         </button>
     {/if}
-    {#if $ae_loc.trusted_access || !$events_loc.auth__person?.id }
+    {#if $lq__event_presenter_obj.email && ($ae_loc.administrator_access || !$events_loc.auth__person?.id && $lq__event_obj?.mod_pres_mgmt_json?.show__email_access_link)}
         <button
             type="button"
             on:click={() => {
@@ -1351,7 +1351,7 @@ $: if ($lq__event_presenter_obj) {
 
     <!-- The presenters biography. There should be a character counter. -->
     <li
-        class:hidden={!$lq__event_obj?.cfg_json?.presenter_bio}
+        class:hidden={$lq__event_obj?.mod_pres_mgmt_json?.hide__presenter_bio}
         >
         <div class="label event_presenter__biography required space-y-4">
             <button