[Client] fix scss import

fittrackee_client/src/components/Workouts/NoWorkouts.vue

@@ -10,7 +10,6 @@
 </template>
 
 <style lang="scss" scoped>
-  @import '~@/scss/base.scss';
   .no-workouts {
     display: flex;
     justify-content: center;

fittrackee_client/src/components/Workouts/WorkoutsFilters.vue

@@ -219,7 +219,7 @@
 </script>
 
 <style lang="scss" scoped>
-  @import '~@/scss/base.scss';
+  @import '~@/scss/vars.scss';
 
   .workouts-filters {
     .form {

fittrackee_client/src/components/Workouts/WorkoutsList.vue

@@ -279,7 +279,7 @@
 </script>
 
 <style lang="scss" scoped>
-  @import '~@/scss/base.scss';
+  @import '~@/scss/vars.scss';
   .workouts-list {
     display: flex;
     flex-direction: column;