Migrate Removal buttons to mousedown

src/lib/components/InventoryList.svelte

@@ -21,7 +21,7 @@
         {#each inventories as inventory, index}
             <p class="flex gap-2 justify-between">
                 - {i18n.localize(inventory.details.name)} {i18n.localize("volume")}: {applyUnits(i18n, inventory.getVolume(grid, multiplier), "l")}
-                <Button variant="destructive" onclick={() => onRemoveInventory(index)}>X</Button>
+                <Button variant="destructive" onmousedown={() => onRemoveInventory(index)}>X</Button>
             </p>
         {/each}
     {:else}

src/lib/components/ThrusterList.svelte

@@ -22,7 +22,7 @@
         {#each thrusters as thruster, index}
             <p class="gap-2 flex justify-between">
                 - {i18n.localize(thruster.details.size)} {i18n.localize(thruster.details.type.details.name)}: {applyUnits(i18n, thruster.getThrust(grid, atmosphere), "N")}
-                <Button variant="destructive" onclick={() => onRemoveThruster(index)}>X</Button>
+                <Button variant="destructive" onmousedown={() => onRemoveThruster(index)}>X</Button>
             </p>
         {/each}
     {:else}