disableSearch init commit (#239)

* disableSearch init commit

* revert unnecessary changes

* add sentence on inputmode='none' use case for hiding mobile on-screen keyboards to readme

---------

Co-authored-by: Janosh Riebesell <janosh.riebesell@gmail.com>

readme.md

@@ -218,7 +218,7 @@ Full list of props/bindable variables for this component. The `Option` type you
    inputmode: string | null = null
    ```
 
-   The `inputmode` attribute hints at the type of data the user may enter. Values like `'numeric' | 'tel' | 'email'` allow browsers to display an appropriate virtual keyboard. See [MDN](https://developer.mozilla.org/docs/Web/HTML/Global_attributes/inputmode) for details.
+   The `inputmode` attribute hints at the type of data the user may enter. Values like `'numeric' | 'tel' | 'email'` allow mobile browsers to display an appropriate virtual on-screen keyboard. See [MDN](https://developer.mozilla.org/docs/Web/HTML/Global_attributes/inputmode) for details. If you want to suppress the on-screen keyboard to leave full-screen real estate for the dropdown list of options, set `inputmode="none"`.
 
 1. ```ts
    invalid: boolean = false

src/lib/MultiSelect.svelte

@@ -460,6 +460,7 @@
   role="searchbox"
   tabindex="-1"
 >
+  <!-- form control input invisible to the user, only purpose is to abort form submission if this component fails data validation -->
   <!-- bind:value={selected} prevents form submission if required prop is true and no options are selected -->
   <input
     {name}