implemented password update procedure

frontend/src/Components/ClickSelect.svelte

@@ -0,0 +1,34 @@
+<script>
+    import { t } from '../translations.svelte.js';
+    import { checkUser } from '../user.svelte.js';
+
+    let { fetchOptions, key, value, onUpdate } = $props();
+
+    let options = $state([]);
+
+    async function loadOptions(){
+        const resp = await fetchOptions();
+        const arr = await resp.json();
+        for (let entry of arr){
+            const value = entry.value;
+            const caption = entry.caption ? entry.caption : value;
+            options.push({caption:caption,value:value})
+        }
+    }
+
+    function propagate(){
+        let changeset = {}
+        changeset[key] = value;
+        onUpdate(changeset);
+    }
+</script>
+
+{#if options.length > 0}
+    <select bind:value onchange={propagate} >
+        {#each options as entry,i}
+        <option value={entry.value}>{entry.caption}</option>
+        {/each}
+    </select>
+{:else}
+    <span onclick={loadOptions}>{value}</span>
+{/if}