Change add-ons to use new UI framework

gui/app/styles/core/icon.scss

@@ -379,7 +379,7 @@ icons
 	content: "\ea42";
   }
 
-  .dicon-single-copy-04::before {
+  .dicon-copy::before {
 	content: "\ea43";
   }
 
@@ -438,3 +438,27 @@ icons
   .dicon-ban::before {
 	content: "\ea53";
   }
+
+  .dicon-check-single::before {
+	content: "\ea54";
+  }
+
+  .dicon-check-double::before {
+	content: "\ea55";
+  }
+
+  .dicon-check::before {
+	content: "\ea56";
+  }
+
+  .dicon-d-check::before {
+	content: "\ea57";
+  }
+
+  .dicon-preview::before {
+	content: "\ea58";
+  }
+
+  .dicon-link::before {
+	content: "\ea59";
+  }

gui/app/styles/core/layout/grid.scss

@@ -25,6 +25,10 @@ $display-break-5: 1800px;
 		justify-self: self-start;
 	}
 
+	.grid-cell-width-100 {
+		width: 100%;
+	}
+
 	// X-axis alignment
 	.grid-cell-left {
 		justify-self: self-end;

gui/app/styles/core/view/document/section-editor.scss

@@ -1,12 +1,8 @@
 .section-editor {
-	> .edit-title {
-		margin: 16px 0;
-	}
-
 	> .canvas {
-		// margin: 34px 0 0 0;
 		padding: 30px 20px;
 		box-shadow: 0 0 0 0.75pt map-get($gray-shades, 200),0 0 3pt 0.75pt map-get($gray-shades, 200);
+		border: 1px solid map-get($gray-shades, 200);
 	}
 }