Fixed icon color in dark mode

ghost/admin/app/components/modals/newsletters/edit/settings.hbs

@@ -61,7 +61,7 @@
                         <GhFormGroup @classNames="gh-stack-item"  @errors={{@newsletter.errors}} @hasValidated={{@newsletter.hasValidated}} @property="senderEmail">
                             <span class="flex items-center justify-between">
                                 <label for="newsletter-sender-email" class="modal-fullsettings-title ml2">Sender email address</label>
-                                <span class="tooltip-top-left" data-tooltip="Defaults to {{full-email-address "noreply"}} if empty">{{svg-jar "info" class="fill-darkgrey w4 h4"}}</span>
+                                <span class="tooltip-top-left" data-tooltip="Defaults to {{full-email-address "noreply"}} if empty">{{svg-jar "info" class="w4 h4"}}</span>
                             </span>
                             <input
                                 id="newsletter-sender-email"

ghost/admin/public/assets/icons/info.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M13.5 17.25A2.252 2.252 0 0111.25 15v-3.75h-.75a.75.75 0 010-1.5h.75c.827 0 1.5.673 1.5 1.5V15c0 .414.336.75.75.75h.75a.75.75 0 010 1.5h-.75z"/><circle cx="11.625" cy="7.125" r="1.125"/><path d="M12 24C5.383 24 0 18.617 0 12S5.383 0 12 0s12 5.383 12 12-5.383 12-12 12zm0-22.5C6.21 1.5 1.5 6.21 1.5 12S6.21 22.5 12 22.5 22.5 17.79 22.5 12 17.79 1.5 12 1.5z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M13.5 17.25A2.252 2.252 0 0111.25 15v-3.75h-.75a.75.75 0 010-1.5h.75c.827 0 1.5.673 1.5 1.5V15c0 .414.336.75.75.75h.75a.75.75 0 010 1.5h-.75z"/><circle fill="currentColor" cx="11.625" cy="7.125" r="1.125"/><path fill="currentColor" d="M12 24C5.383 24 0 18.617 0 12S5.383 0 12 0s12 5.383 12 12-5.383 12-12 12zm0-22.5C6.21 1.5 1.5 6.21 1.5 12S6.21 22.5 12 22.5 22.5 17.79 22.5 12 17.79 1.5 12 1.5z"/></svg>