Bring back sizes mistakenly removed from InputGroup to fix label al…

…ignment in horizontal layout

src/lib/components/InputGroup/InputGroup.scss

@@ -4,6 +4,7 @@
 
 @use "../../styles/tools/form-fields/box-field-elements";
 @use "../../styles/tools/form-fields/box-field-layout";
+@use "../../styles/tools/form-fields/box-field-sizes";
 @use "../../styles/tools/form-fields/foundation";
 @use "../../styles/tools/form-fields/variants";
 @use "../../styles/tools/accessibility";
@@ -65,3 +66,16 @@
 .isRootInFormLayout {
     @include box-field-layout.in-form-layout();
 }
+
+// Sizes
+.isRootSizeSmall {
+    @include box-field-sizes.size(small, $has-input: false);
+}
+
+.isRootSizeMedium {
+    @include box-field-sizes.size(medium, $has-input: false);
+}
+
+.isRootSizeLarge {
+    @include box-field-sizes.size(large, $has-input: false);
+}

src/lib/styles/tools/form-fields/_box-field-sizes.scss

@@ -1,19 +1,22 @@
 @use "sass:map";
 @use "../../theme/form-fields" as theme;
 
-@mixin size($size, $is-multiline: false) {
+@mixin size($size, $has-input: true, $is-multiline: false) {
     $size-properties: map.get(theme.$box-sizes, $size);
 
     --rui-local-padding-y: #{map.get($size-properties, padding-y)};
     --rui-local-padding-x: #{map.get($size-properties, padding-x)};
-    --rui-local-font-size: #{map.get($size-properties, font-size)};
 
-    .input {
-        @if $is-multiline {
-            height: auto;
-            min-height: map.get($size-properties, height);
-        } @else {
-            --rui-local-height: #{map.get($size-properties, height)};
+    @if $has-input {
+        --rui-local-font-size: #{map.get($size-properties, font-size)};
+
+        .input {
+            @if $is-multiline {
+                height: auto;
+                min-height: map.get($size-properties, height);
+            } @else {
+                --rui-local-height: #{map.get($size-properties, height)};
+            }
         }
     }
 }