prevent bug https://github.com/sveltejs/svelte/issues/15316

src/lib/components/variables/VariableInput.svelte

@@ -370,18 +370,18 @@
                     year,
                   )}
                 {:else}
-                  <!-- Input menu sélection -->
-
-                  <select
-                    class="my-1 w-full rounded border-none bg-white p-1 pr-10 shadow-sm focus:border-le-bleu focus:text-le-bleu"
-                    onblur={(event) => changeValue(event, populationId)}
-                    onchange={(event) => changeValue(event, populationId)}
-                    value={getSituationVariableValue(
+                  {@const value = getSituationVariableValue(
                     situation,
                     variable,
                     populationId,
                     year,
                   )}
+                  <!-- Input menu sélection -->
+                  <select
+                    class="my-1 w-full rounded border-none bg-white p-1 pr-10 shadow-sm focus:border-le-bleu focus:text-le-bleu"
+                    onblur={(event) => changeValue(event, populationId)}
+                    onchange={(event) => changeValue(event, populationId)}
+                    {value}
                   >
                     {#each Object.entries(variable.possible_values) as [symbol, label]}
                       <option value={symbol}>{label}</option>