Namespace selector dropdown is too small
### Explain the bug

See screencast https://share.descript.com/view/WbDsryfGEjs

![image](https://github.com/kestra-io/kestra/assets/86264395/c2f80a9a-2ffb-4614-8b43-8e3beca008d7)


### Environment Information

- Kestra Version: 0.14
- Operating System and Java Version (if not using Kestra Docker image):

ui/src/components/namespace/NamespaceSelect.vue ui/src/styles/layout/element-plus-overload.scss
ui/src/components/namespace/NamespaceSelect.vue ui/src/styles/layout/element-plus-overload.scss
diff --git a/ui/src/components/namespace/NamespaceSelect.vue b/ui/src/components/namespace/NamespaceSelect.vue
index aca07afc06..844f383fef 100644
--- a/ui/src/components/namespace/NamespaceSelect.vue
+++ b/ui/src/components/namespace/NamespaceSelect.vue
@@ -1,5 +1,6 @@
 <template>
     <el-select
+        class="fit-text"
         :model-value="value"
         @update:model-value="onInput"
         clearable
diff --git a/ui/src/styles/layout/element-plus-overload.scss b/ui/src/styles/layout/element-plus-overload.scss
index 7c0c020ff1..c5568d0b2d 100644
--- a/ui/src/styles/layout/element-plus-overload.scss
+++ b/ui/src/styles/layout/element-plus-overload.scss
@@ -123,6 +123,9 @@
 
 
 .el-select {
+    &.fit-text .el-select__input {
+        width: fit-content !important;
+    }
     .el-tag {
         color: var(--el-select-input-color);
 
