fix(ui): set min-width to 0 for input element

Author: xiejay97

packages/ui/src/styles/components/mixins/_date-input.scss

@@ -66,6 +66,7 @@
     @include utils-input;
 
     flex: 1 0 0;
+    min-width: 0;
     padding: 0;
     margin: 0;
     color: var(--#{$rd-prefix}text-color);

packages/ui/src/styles/components/mixins/_selectbox.scss

@@ -82,6 +82,7 @@
     position: absolute;
     inset: 0;
     z-index: 5;
+    min-width: 0;
     padding: 0;
     margin: 0;
     color: var(--#{$rd-prefix}text-color);