Fix selection tools and improve UI/UX

- Fix cut/copy to preserve mask shape with transparency
- Add missing CSS icons for magic_wand, lasso, ellipse_select tools
- Fix toast messages styling (visible on dark theme)
- Update AI Inpaint to work with all selection tools
- Change tab title to +miniPaint
- Add DNS config to docker-compose for external API access

frontend/src/css/layout.css

@@ -323,6 +323,9 @@ IMPORTANT: any new icon should also must be added on /service-worker.js + its ve
 .sidebar_left .animation:after{ background-image: url('images/icons/animation.svg'); }
 .sidebar_left .smart_select:after{ background-image: url('images/icons/smart_select.svg'); }
 .sidebar_left .ai_inpaint:after{ background-image: url('images/icons/ai_inpaint.svg'); }
+.sidebar_left .magic_wand:after{ background-image: url('images/icons/magic_wand.svg'); }
+.sidebar_left .lasso:after{ background-image: url('images/icons/lasso.svg'); }
+.sidebar_left .ellipse_select:after{ background-image: url('images/icons/ellipse_select.svg'); }
 
 @media screen and (max-width:550px){
 	#sidebar_left{
@@ -722,8 +725,25 @@ canvas{
 	height: 0;
 	border: none;
 }
-.alertify-notifier{
-	color: black;
+/* Alertify toast notification styling */
+.alertify-notifier .ajs-message {
+	background-color: #333;
+	color: #fff;
+	border-radius: 4px;
+	padding: 10px 15px;
+	box-shadow: 0 2px 10px rgba(0,0,0,0.3);
+}
+.alertify-notifier .ajs-message.ajs-success {
+	background-color: #28a745;
+	color: #fff;
+}
+.alertify-notifier .ajs-message.ajs-error {
+	background-color: #dc3545;
+	color: #fff;
+}
+.alertify-notifier .ajs-message.ajs-warning {
+	background-color: #ffc107;
+	color: #000;
 }
 .effectsPreview{
 	cursor: pointer;