fix(textbox): inherit kendo-textbox-container size

scss/input/_layout.scss

@@ -127,6 +127,7 @@
         padding-top: $floating-label-height;
         display: inline-flex;
         flex-direction: column;
+        justify-content: stretch;
 
         > .k-label {
             position: absolute;
@@ -137,6 +138,12 @@
             transition: transform $floating-label-transition, color $floating-label-transition;
         }
 
+        > .k-textbox,
+        > .k-input-bar {
+            flex: 1 1 auto;
+            width: auto;
+        }
+
         &.k-state-empty {
             font-style: normal;