fix: prevent modal dismiss during upload and bump pink-svelte

- Disable Cancel button and set dismissible=false on Modal during upload
- Update @appwrite.io/pink-svelte to 8dcaa17 (progress bar a11y fixes)

Author: premtsd-code

bun.lock

@@ -24,7 +24,7 @@
         "@appwrite.io/pink-icons": "0.25.0",
         "@appwrite.io/pink-icons-svelte": "https://pkg.vc/-/@appwrite/@appwrite.io/pink-icons-svelte@bfe7ce3",
         "@appwrite.io/pink-legacy": "^1.0.3",
-        "@appwrite.io/pink-svelte": "https://pkg.vc/-/@appwrite/@appwrite.io/pink-svelte@bfe7ce3",
+        "@appwrite.io/pink-svelte": "https://pkg.vc/-/@appwrite/@appwrite.io/pink-svelte@8dcaa17",
         "@faker-js/faker": "^9.9.0",
         "@plausible-analytics/tracker": "^0.4.4",
         "@popperjs/core": "^2.11.8",

package.json

@@ -256,7 +256,7 @@
 <svelte:document on:visibilitychange={handleVisibilityChange} />
 
 <Form {onSubmit} isModal class="file-picker-modal-form">
-    <Modal bind:open={show} title="Select file" size="l">
+    <Modal bind:open={show} title="Select file" size="l" dismissible={!uploading}>
         <Layout.Stack direction={$isSmallViewport ? 'column' : 'row'} height="50vh" gap="none">
             <!-- min-width to avoid a layout-shift -->
             <aside>
@@ -724,7 +724,7 @@
         </Layout.Stack>
         <svelte:fragment slot="footer">
             <Layout.Stack direction="row" justifyContent="flex-end">
-                <Button text on:click={closeModal}>Cancel</Button>
+                <Button text disabled={uploading} on:click={closeModal}>Cancel</Button>
                 <Button
                     submit
                     disabled={uploading ||