Tokenize DetailsBackButton + FlightStatus font-size (Angular parity)

src/features/online-board/components/DetailsBackButton/DetailsBackButton.scss

@@ -1,5 +1,6 @@
 @use "../../../../styles/colors" as colors;
 @use "../../../../styles/variables" as vars;
+@use "../../../../styles/fonts" as fonts;
 
 // Angular renders the back link as a full-width solid button above the
 // flights mini-list — same 285px column, blue fill, white text, 48px
@@ -18,7 +19,7 @@
   color: colors.$white;
   border-radius: vars.$border-radius;
   text-decoration: none;
-  font-size: 14px;
+  font-size: fonts.$font-size-m;
   font-family: inherit;
   cursor: pointer;
 

src/ui/flights/FlightStatus.scss

@@ -1,5 +1,6 @@
 @use "../../styles/variables" as vars;
 @use "../../styles/colors" as colors;
+@use "../../styles/fonts" as fonts;
 
 .flight-status {
   &--with-icon {
@@ -18,7 +19,7 @@
   }
 
   &__label {
-    font-size: 12px;
+    font-size: fonts.$font-size-s;
     color: colors.$text-color;
     text-align: center;
     white-space: nowrap;