feat: Use Fluent SVG icons on the dashboard (#3482)

app/javascript/dashboard/assets/scss/_utility-helpers.scss

@@ -6,6 +6,10 @@
   margin-right: var(--space-smaller);
 }
 
+.margin-left-minus-slab {
+  margin-left: var(--space-minus-slab);
+}
+
 .fs-small {
   font-size: var(--font-size-small);
 }

app/javascript/dashboard/assets/scss/widgets/_conversation-card.scss

@@ -85,11 +85,6 @@
     text-overflow: ellipsis;
     white-space: nowrap;
     width: 27rem;
-
-    .small-icon {
-      font-size: $font-size-mini;
-      vertical-align: top;
-    }
   }
 
   .conversation--meta {

app/javascript/dashboard/assets/scss/widgets/_modal.scss

@@ -19,7 +19,7 @@
   cursor: pointer;
   font-size: $font-size-big;
   line-height: $space-normal;
-  padding: $space-normal $space-two;
+  padding: $space-normal;
   position: absolute;
   right: $space-micro;
   top: $space-micro;

app/javascript/dashboard/assets/scss/widgets/_sidemenu.scss

@@ -31,6 +31,8 @@
 
       .wrap,
       .child-icon {
+        color: $color-gray;
+
         &:hover {
           color: $color-woot;
         }
@@ -62,7 +64,7 @@
 .bottom-nav {
   @include flex;
   @include space-between-column;
-  @include padding($space-one $space-normal $space-one $space-one);
+  @include padding($space-one);
   @include border-normal-top;
   flex-direction: column;
   position: relative;
@@ -111,16 +113,6 @@
   line-height: $global-lineheight;
 }
 
-.hamburger--menu {
-  cursor: pointer;
-  display: none;
-  margin-right: $space-normal;
-
-  @media screen and (max-width: 1200px) {
-    display: block;
-  }
-}
-
 .header--icon {
   display: block;
   margin-right: $space-normal;