Add batch actions to local user table

- Create TableToolbar component for table batch actions
- Added Toast warning type and toast title message translations
- Update vue-i18n package to latest v8.15.3 to use improved
  pluarlization features

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: I455beba4f56b8209b1201bbc5ff3f616e960d189
diff --git a/src/assets/styles/_form-components.scss b/src/assets/styles/_form-components.scss
index 7194d9e..89abfb3 100644
--- a/src/assets/styles/_form-components.scss
+++ b/src/assets/styles/_form-components.scss
@@ -20,9 +20,6 @@
   color: $gray-900 !important;
   font-size: 16px;
   border-color: $gray-400 !important;
-  &::before {
-    border-color: $primary;
-  }
   &.is-invalid,
   &:invalid {
     border-bottom: 2px solid $danger !important;
diff --git a/src/assets/styles/_table.scss b/src/assets/styles/_table.scss
index ff1ed30..7d265c8 100644
--- a/src/assets/styles/_table.scss
+++ b/src/assets/styles/_table.scss
@@ -1,3 +1,8 @@
+table {
+  position: relative;
+  z-index: $zindex-dropdown;
+}
+
 .table-light {
   td {
     border-top: none;
@@ -18,4 +23,4 @@
     padding-top: 0;
     padding-bottom: 0;
   }
-}
+}
\ No newline at end of file
diff --git a/src/assets/styles/_toast.scss b/src/assets/styles/_toast.scss
index 3f2f08c..538f996 100644
--- a/src/assets/styles/_toast.scss
+++ b/src/assets/styles/_toast.scss
@@ -29,4 +29,8 @@
 
 .b-toast-danger .toast {
   border-left-color: $danger!important;
+}
+
+.b-toast-warning .toast {
+  border-left-color: $warning!important;
 }
\ No newline at end of file