fix(field-decorator): update small margin bottom to 0 for consistency

Author: haoziqaq

packages/varlet-ui/src/field-decorator/fieldDecorator.less

@@ -16,7 +16,7 @@
   --field-decorator-standard-normal-icon-margin-bottom: 4px;
   --field-decorator-standard-normal-non-hint-margin-top: 4px;
   --field-decorator-standard-small-margin-top: 18px;
-  --field-decorator-standard-small-margin-bottom: 4px;
+  --field-decorator-standard-small-margin-bottom: 0;
   --field-decorator-standard-small-icon-margin-top: 18px;
   --field-decorator-standard-small-icon-margin-bottom: 4px;
   --field-decorator-standard-small-non-hint-margin-top: 2px;

packages/varlet-ui/src/input/docs/en-US.md

@@ -276,7 +276,7 @@ Here are the CSS variables used by the component. Styles can be customized using
 | `--field-decorator-standard-normal-icon-margin-bottom` | `4px` |
 | `--field-decorator-standard-normal-non-hint-margin-top` | `4px` |
 | `--field-decorator-standard-small-margin-top` | `18px` |
-| `--field-decorator-standard-small-margin-bottom` | `4px` |
+| `--field-decorator-standard-small-margin-bottom` | `0` |
 | `--field-decorator-standard-small-icon-margin-top` | `18px` |
 | `--field-decorator-standard-small-icon-margin-bottom` | `4px` |
 | `--field-decorator-standard-small-non-hint-margin-top` | `2px` |

packages/varlet-ui/src/input/docs/zh-CN.md

@@ -276,7 +276,7 @@ const filledValue13 = ref('')
 | `--field-decorator-standard-normal-icon-margin-bottom` | `4px` |
 | `--field-decorator-standard-normal-non-hint-margin-top` | `4px` |
 | `--field-decorator-standard-small-margin-top` | `18px` |
-| `--field-decorator-standard-small-margin-bottom` | `4px` |
+| `--field-decorator-standard-small-margin-bottom` | `0` |
 | `--field-decorator-standard-small-icon-margin-top` | `18px` |
 | `--field-decorator-standard-small-icon-margin-bottom` | `4px` |
 | `--field-decorator-standard-small-non-hint-margin-top` | `2px` |

packages/varlet-ui/src/themes/dark/fieldDecorator.ts

@@ -15,7 +15,7 @@ export default {
   '--field-decorator-standard-normal-icon-margin-bottom': '4px',
   '--field-decorator-standard-normal-non-hint-margin-top': '4px',
   '--field-decorator-standard-small-margin-top': '18px',
-  '--field-decorator-standard-small-margin-bottom': '4px',
+  '--field-decorator-standard-small-margin-bottom': '0',
   '--field-decorator-standard-small-icon-margin-top': '18px',
   '--field-decorator-standard-small-icon-margin-bottom': '4px',
   '--field-decorator-standard-small-non-hint-margin-top': '2px',

packages/varlet-ui/src/themes/md3-dark/fieldDecorator.ts

@@ -15,7 +15,7 @@ export default {
   '--field-decorator-standard-normal-icon-margin-bottom': '4px',
   '--field-decorator-standard-normal-non-hint-margin-top': '4px',
   '--field-decorator-standard-small-margin-top': '18px',
-  '--field-decorator-standard-small-margin-bottom': '4px',
+  '--field-decorator-standard-small-margin-bottom': '0',
   '--field-decorator-standard-small-icon-margin-top': '18px',
   '--field-decorator-standard-small-icon-margin-bottom': '4px',
   '--field-decorator-standard-small-non-hint-margin-top': '2px',

packages/varlet-ui/src/themes/md3-light/fieldDecorator.ts

@@ -15,7 +15,7 @@ export default {
   '--field-decorator-standard-normal-icon-margin-bottom': '4px',
   '--field-decorator-standard-normal-non-hint-margin-top': '4px',
   '--field-decorator-standard-small-margin-top': '18px',
-  '--field-decorator-standard-small-margin-bottom': '4px',
+  '--field-decorator-standard-small-margin-bottom': '0',
   '--field-decorator-standard-small-icon-margin-top': '18px',
   '--field-decorator-standard-small-icon-margin-bottom': '4px',
   '--field-decorator-standard-small-non-hint-margin-top': '2px',