fix: replicated missing cv- classes from Vue2 repo

src/components/CvBreadcrumb/CvBreadcrumb.vue

@@ -1,6 +1,7 @@
 <template>
   <nav :aria-label="ariaLabel">
     <ol
+      class="cv-breadcrumb"
       :class="[
         `${carbonPrefix}--breadcrumb`,
         { [`${carbonPrefix}--breadcrumb--no-trailing-slash`]: noTrailingSlash },

src/components/CvBreadcrumb/CvBreadcrumbItem.vue

@@ -1,5 +1,6 @@
 <template>
   <li
+    class="cv-breadcrumb-item"
     :class="[
       `${carbonPrefix}--breadcrumb-item`,
       { [`${carbonPrefix}--breadcrumb-item--current`]: isCurrentPage },

src/components/CvButton/CvButton.vue

@@ -1,5 +1,6 @@
 <template>
   <button
+    class="cv-button"
     :class="buttonClasses"
     :disabled="disabled || skeleton"
     @click="$emit('click', $event)"

src/components/CvButton/CvButtonSet.vue

@@ -1,5 +1,6 @@
 <template>
   <div
+    class="cv-button-set"
     :class="[
       `${carbonPrefix}--btn-set`,
       { [`${carbonPrefix}--btn-set--stacked`]: stacked },

src/components/CvButton/CvIconButton.vue

@@ -1,5 +1,6 @@
 <template>
   <button
+    class="cv-button"
     :class="[
       buttonClasses,
       `${carbonPrefix}--tooltip__trigger`,

src/components/CvCodeSnippet/CvCodeSnippet.vue

@@ -1,7 +1,12 @@
 <template>
-  <component :is="component" v-bind="subProps" @copy="handleCopy"
-    ><slot
-  /></component>
+  <component
+    :is="component"
+    v-bind="subProps"
+    class="cv-code-snippet"
+    @copy="handleCopy"
+  >
+    <slot />
+  </component>
 </template>
 
 <script>

src/components/CvCodeSnippet/_CviCodeSnippetInline.vue

@@ -48,6 +48,7 @@ export default {
   setup(props, { emit }) {
     const codeId = useCvId();
     const classes = computed(() => [
+      'cv-code-snippet-inline',
       `${carbonPrefix}--snippet`,
       `${carbonPrefix}--snippet--inline`,
       {

src/components/CvCodeSnippet/_CviCodeSnippetMultiline.vue

@@ -1,5 +1,6 @@
 <template>
   <div
+    class="cv-code-snippet-multiline"
     :class="[
       `${carbonPrefix}--snippet`,
       `${carbonPrefix}--snippet--multi`,

src/components/CvCodeSnippet/_CviCodeSnippetOneline.vue

@@ -1,5 +1,6 @@
 <template>
   <div
+    class="cv-code-snippet-oneline"
     :class="[
       `${carbonPrefix}--snippet`,
       `${carbonPrefix}--snippet--single`,

src/components/CvComboBox/CvComboBox.vue

@@ -1,6 +1,7 @@
 <template>
   <div
     ref="root"
+    class="cv-combo-box"
     :class="`${carbonPrefix}--list-box__wrapper`"
     @focusout="onFocusOut"
   >

src/components/CvList/CvList.vue

@@ -1,6 +1,7 @@
 <template>
   <component
     :is="listType"
+    class="cv-list"
     :class="{
       [`${carbonPrefix}--list--nested`]: nested,
       [`${carbonPrefix}--list--ordered`]: isActuallyOrdered,

src/components/CvList/CvListItem.vue

@@ -1,5 +1,5 @@
 <template>
-  <li :class="`${carbonPrefix}--list__item`"><slot /></li>
+  <li class="cv-list-item" :class="`${carbonPrefix}--list__item`"><slot /></li>
 </template>
 
 <script>

src/components/CvNotification/CvInlineNotification.vue

@@ -2,6 +2,7 @@
   <div
     role="alert"
     :kind="kind"
+    class="cv-inline-notification"
     :class="[
       `${carbonPrefix}--inline-notification`,
       `${carbonPrefix}--inline-notification--${kind}`,

src/components/CvNotification/CvToastNotification.vue

@@ -2,6 +2,7 @@
   <div
     role="alert"
     :kind="kind"
+    class="cv-notification"
     :class="[
       `${carbonPrefix}--toast-notification`,
       `${carbonPrefix}--toast-notification--${kind}`,

src/components/CvTag/CvTag.vue

@@ -73,7 +73,7 @@ export default {
     });
 
     const tagClasses = computed(() => {
-      const classes = [`${carbonPrefix}--tag`];
+      const classes = [`cv-tag ${carbonPrefix}--tag`];
 
       if (props.small) classes.push(`${carbonPrefix}--tag--sm`);