Improve error state reporting

- make it full width
- properly report it with red border

app/assets/javascripts/import_entities/import_groups/components/import_target_cell.vue

@@ -37,70 +37,79 @@ export default {
         this.group.progress?.message || getInvalidNameValidationMessage(this.group.importTarget)
       );
     },
+    validNameState() {
+      // bootstrap-vue requires null for "indifferent" state, if we return true
+      // this will highlight field in green like "passed validation"
+      return this.group.flags.isInvalid && this.group.flags.isAvailableForImport ? false : null;
+    },
   },
 };
 </script>
 
 <template>
-  <div class="gl-display-flex gl-align-items-stretch">
-    <import-group-dropdown
-      #default="{ namespaces }"
-      :text="fullPath"
-      :disabled="!group.flags.isAvailableForImport"
-      :namespaces="availableNamespaces"
-      toggle-class="gl-rounded-top-right-none! gl-rounded-bottom-right-none!"
-      class="gl-h-7 gl-flex-grow-1"
-      data-qa-selector="target_namespace_selector_dropdown"
-    >
-      <gl-dropdown-item @click="$emit('update-target-namespace', { fullPath: '', id: null })">{{
-        s__('BulkImport|No parent')
-      }}</gl-dropdown-item>
-      <template v-if="namespaces.length">
-        <gl-dropdown-divider />
-        <gl-dropdown-section-header>
-          {{ s__('BulkImport|Existing groups') }}
-        </gl-dropdown-section-header>
-        <gl-dropdown-item
-          v-for="ns in namespaces"
-          :key="ns.fullPath"
-          data-qa-selector="target_group_dropdown_item"
-          :data-qa-group-name="ns.fullPath"
-          @click="$emit('update-target-namespace', ns)"
-        >
-          {{ ns.fullPath }}
-        </gl-dropdown-item>
-      </template>
-    </import-group-dropdown>
-    <div
-      class="gl-h-7 gl-px-3 gl-display-flex gl-align-items-center gl-border-solid gl-border-0 gl-border-t-1 gl-border-b-1 gl-bg-gray-10"
-      :class="{
-        'gl-text-gray-400 gl-border-gray-100': !group.flags.isAvailableForImport,
-        'gl-border-gray-200': group.flags.isAvailableForImport,
-      }"
-    >
-      /
-    </div>
-    <div class="gl-flex-grow-1">
-      <gl-form-input
-        class="gl-rounded-top-left-none gl-rounded-bottom-left-none"
+  <div>
+    <div class="gl-display-flex gl-align-items-stretch">
+      <import-group-dropdown
+        #default="{ namespaces }"
+        :text="fullPath"
+        :disabled="!group.flags.isAvailableForImport"
+        :namespaces="availableNamespaces"
+        toggle-class="gl-rounded-top-right-none! gl-rounded-bottom-right-none!"
+        class="gl-h-7 gl-flex-grow-1"
+        data-qa-selector="target_namespace_selector_dropdown"
+      >
+        <gl-dropdown-item @click="$emit('update-target-namespace', { fullPath: '', id: null })">{{
+          s__('BulkImport|No parent')
+        }}</gl-dropdown-item>
+        <template v-if="namespaces.length">
+          <gl-dropdown-divider />
+          <gl-dropdown-section-header>
+            {{ s__('BulkImport|Existing groups') }}
+          </gl-dropdown-section-header>
+          <gl-dropdown-item
+            v-for="ns in namespaces"
+            :key="ns.fullPath"
+            data-qa-selector="target_group_dropdown_item"
+            :data-qa-group-name="ns.fullPath"
+            @click="$emit('update-target-namespace', ns)"
+          >
+            {{ ns.fullPath }}
+          </gl-dropdown-item>
+        </template>
+      </import-group-dropdown>
+      <div
+        class="gl-h-7 gl-px-3 gl-display-flex gl-align-items-center gl-border-solid gl-border-0 gl-border-t-1 gl-border-b-1 gl-bg-gray-10"
         :class="{
-          'gl-inset-border-1-gray-200!': group.flags.isAvailableForImport,
-          'gl-inset-border-1-gray-100!': !group.flags.isAvailableForImport,
-          'is-invalid': group.flags.isInvalid && group.flags.isAvailableForImport,
+          'gl-text-gray-400 gl-border-gray-100': !group.flags.isAvailableForImport,
+          'gl-border-gray-200': group.flags.isAvailableForImport,
         }"
-        debounce="500"
-        :disabled="!group.flags.isAvailableForImport"
-        :value="group.importTarget.newName"
-        :aria-label="__('New name')"
-        @input="$emit('update-new-name', $event)"
-      />
-      <p
-        v-if="group.flags.isAvailableForImport && (group.flags.isInvalid || validationMessage)"
-        class="gl-text-red-500 gl-m-0 gl-mt-2"
-        role="alert"
       >
-        {{ validationMessage }}
-      </p>
+        /
+      </div>
+      <div class="gl-flex-grow-1">
+        <gl-form-input
+          class="gl-rounded-top-left-none gl-rounded-bottom-left-none"
+          :class="{
+            'gl-inset-border-1-gray-200!':
+              group.flags.isAvailableForImport && !group.flags.isInvalid,
+            'gl-inset-border-1-gray-100!':
+              !group.flags.isAvailableForImport && !group.flags.isInvalid,
+          }"
+          debounce="500"
+          :disabled="!group.flags.isAvailableForImport"
+          :value="group.importTarget.newName"
+          :aria-label="__('New name')"
+          :state="validNameState"
+          @input="$emit('update-new-name', $event)"
+        />
+      </div>
+    </div>
+    <div
+      v-if="group.flags.isAvailableForImport && (group.flags.isInvalid || validationMessage)"
+      class="gl-text-red-500 gl-m-0 gl-mt-2"
+      role="alert"
+    >
+      {{ validationMessage }}
     </div>
   </div>
 </template>