Allow user to select Kubeconfig from filesystem (#740)

* Allow user to select Kubeconfig from filesystem, fix #738

Signed-off-by: Roman <ixrock@gmail.com>

Co-authored-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>
Co-authored-by: Alex Andreev <alex.andreev.email@gmail.com>

src/renderer/components/dock/dock.scss

@@ -24,8 +24,12 @@
   &:not(.isOpen) {
     height: auto !important;
 
-    .Tab:not(:focus):after {
-      display: none;
+    .Tab {
+      --color-active: inherit;
+
+      &:not(:focus):after {
+        display: none;
+      }
     }
   }