Fix check emoji in darkmode

webclient/src/Classes.js

@@ -145,7 +145,7 @@ function NewClassTableCourse(props) {
 							<div
 								className='nonbutton'
 							>
-								{interested} interested ✅
+								{interested} interested <span className='dark-emoji'>✅</span>
 							</div>
 						:
 							<Button

webclient/src/light.css

@@ -350,3 +350,7 @@ a {
 .darkmode--activated .footer {
 	mix-blend-mode: difference;
 }
+
+.darkmode--activated .dark-emoji {
+	mix-blend-mode: difference;
+}