MOBILE-3814 course: Change course summary icon

src/core/features/course/pages/contents/contents.html

@@ -1,7 +1,7 @@
 <core-navbar-buttons slot="end">
     <core-context-menu>
         <core-context-menu-item [priority]="1800" [content]="'core.course.coursesummary' | translate" (action)="openCourseSummary()"
-            iconAction="fas-graduation-cap">
+            iconAction="fas-info-circle">
         </core-context-menu-item>
         <core-context-menu-item *ngFor="let item of courseMenuHandlers" [priority]="item.priority" (action)="openMenuItem(item)"
             [content]="item.data.title | translate" [iconAction]="item.data.icon" [class]="item.data.class">

src/theme/globals.variables.scss

@@ -5,16 +5,16 @@
  */
 
 $white:    #ffffff !default;
-$gray-100: #f8f9fa !default; // Old gray-lighter
-$gray-200: #e9ecef !default; // Old gray-light
-$gray-300: #dee2e6 !default; // Old gray // Stroke
+$gray-100: #f8f9fa !default;
+$gray-200: #e9ecef !default;
+$gray-300: #dee2e6 !default; // Stroke
 $gray-400: #ced4da !default;
-$gray-500: #8f959e !default; // Old gray-dark
-$gray-600: #6a737b !default; // Old gray-darker
+$gray-500: #8f959e !default;
+$gray-600: #6a737b !default;
 $gray-700: #495057 !default;
 $gray-800: #343a40 !default;
-$gray-900: #1d2125 !default; // Old black // Copy
-$black:    #000000 !default;
+$gray-900: #1d2125 !default; // Copy text
+$black:    #000000 !default; // Avoid usage
 
 $blue:            #0f6cbf !default;
 $blue-light:      mix($blue, white, 20%) !default;