fix(navdrawer): disable flex shrink

Author: SisIvanova

projects/igniteui-angular/src/lib/core/styles/components/navdrawer/_navdrawer-component.scss

@@ -9,7 +9,7 @@
     $this: bem--selector-to-string(&);
     @include register-component(str-slice($this, 2, -1));
 
-    @extend %animation !optional;
+    @extend %navdrawer-display !optional;
 
     // Main aside element
     @include e(aside) {

projects/igniteui-angular/src/lib/core/styles/components/navdrawer/_navdrawer-theme.scss

@@ -166,10 +166,11 @@
     $variant: map-get($theme, variant);
 
 
-    %animation {
+    %navdrawer-display {
         transition: flex-basis;
         transition-duration: .3s;
         transition-timing-function: $ease-out-quad;
+        flex-shrink: 0;
     }
 
     %aside {