add necessary classes to button as anchor tag (#1580)

and only show indicator on select when not disabled

src/lib/holocene/button.svelte

@@ -96,11 +96,16 @@
   <a
     {href}
     on:click|stopPropagation
-    class="button {variant} {className}"
+    class="button whitespace-nowrap {variant} {className}"
     class:selected={active}
     class:large
     class:disabled
     class:thin
+    class:unround
+    class:unroundRight
+    class:unroundLeft
+    class:noBorderRight
+    class:noBorderLeft
     {target}
     {id}
     {...$$restProps}

src/lib/holocene/select/select.svelte

@@ -95,7 +95,7 @@
 <MenuContainer class="w-full" {open}>
   <label class:sr-only={labelHidden} for={id}>{label}</label>
   <MenuButton
-    hasIndicator
+    hasIndicator={!disabled}
     {disabled}
     {unroundLeft}
     {unroundRight}