remove hardcoded logo height

Signed-off-by: Maurice Preuß (envoyr) <envoyr@froxlor.org>

templates/Froxlor/src/scss/components/_generic.scss

@@ -3,6 +3,10 @@
 @import "~@fortawesome/fontawesome-free/css/all";
 
 // Generic
+.header-logo {
+	height: 24px;
+}
+
 .form-control-plaintext {
 	outline: none;
 }

templates/Froxlor/userarea.html.twig

@@ -25,7 +25,7 @@
 				</button>
 			</div>
 			<a class="navbar-brand me-0 {% if block('heading') %}shadow-sm{% endif %}" href="{{ linker({'section': 'index'}) }}">
-				<img src="{{ header_logo }}" alt="" width="auto" height="24" class="d-inline-block align-text-top ms-md-3">
+				<img src="{{ header_logo }}" alt="logo" class="header-logo d-inline-block align-text-top ms-md-3">
 			</a>
 			<div class="order-0 order-md-1 d-flex flex-grow-0 flex-md-grow-1" id="navbar">
 				<ul class="navbar-nav ms-md-auto me-3 me-lg-5">