fix(input-group): review comments

Author: SisIvanova

src/components/date-picker/themes/shared/date-picker.bootstrap.scss

@@ -26,6 +26,7 @@ $theme: $bootstrap;
         @include type-style('body-2');
 
         grid-auto-rows: minmax(rem(20px), auto);
+        margin-block-start: pad-block(rem(4px));
     }
 }
 

src/components/date-picker/themes/shared/date-picker.fluent.scss

@@ -12,6 +12,8 @@ $theme: $fluent;
 
     [part='label'] {
         @include type-style('subtitle-2');
+
+        margin-block-end: pad-block(rem(5px));
     }
 
     ::part(helper-text) {

src/components/date-picker/themes/shared/date-picker.indigo.scss

@@ -22,6 +22,8 @@ $input-theme: input-theme.$indigo;
 
     [part~='label'] {
         @include type-style('caption');
+
+        margin-block-end: rem(4px);
     }
 
     ::part(helper-text) {

src/components/date-range-picker/themes/shared/date-range-picker.bootstrap.scss

@@ -16,6 +16,7 @@ $theme: $bootstrap;
         @include type-style('body-2');
 
         grid-auto-rows: minmax(rem(20px), auto);
+        margin-block-start: pad-block(rem(4px));
     }
 }
 

src/components/input/themes/shared/input.bootstrap.scss

@@ -15,6 +15,7 @@ $theme: $bootstrap;
         @include type-style('body-2');
 
         grid-auto-rows: minmax(rem(20px), auto);
+        margin-block-start: pad-block(rem(4px));
     }
 
     [part='prefix'] {

src/components/textarea/themes/shared/textarea.bootstrap.scss

@@ -13,6 +13,7 @@ $theme: $bootstrap;
         @include type-style('body-2');
 
         grid-auto-rows: minmax(rem(20px), auto);
+        margin-block-start: pad-block(rem(4px));
     }
 
     ::slotted([slot="prefix"]),

stories/combo.stories.ts

@@ -359,6 +359,11 @@ export const Form: Story = {
   argTypes: disableStoryControls(metadata),
   render: () => {
     return html`
+      <style>
+        fieldset {
+          min-width: 0;
+        }
+      </style>
       <form @submit=${formSubmitHandler}>
         <fieldset>
           <igc-combo