feat: add rtl fixes to basic theme styles

npm/ng-packs/packages/theme-basic/src/lib/constants/styles.ts

@@ -2,7 +2,6 @@ export default `
 .content-header-title {
     font-size: 24px;
 }
-
 .entry-row {
     margin-bottom: 15px;
 }
@@ -26,17 +25,25 @@ export default `
     border-radius: 0.25rem;
     min-height: 44px;
 }
+[dir=rtl] .navbar .dropdown-menu a {
+    text-align: right;
+}
 .navbar .dropdown-submenu a::after {
     transform: rotate(-90deg);
     position: absolute;
     right: 16px;
     top: 18px;
 }
+[dir=rtl] .navbar .dropdown-submenu a::after {
+    transform: rotate(90deg);
+    left: 16px;
+    right: auto;
+    top: 20px;
+}
 .navbar .dropdown-submenu .dropdown-menu {
     top: 0;
     left: 100%;
 }
-
 .card-header .btn {
     padding: 2px 6px;
 }