fix(types): systemic cleanup of high-impact svelte-check errors

- Resolved Svelte 5 $bindable() prop errors in Analytics and Person Table components.
- Fixed implicit any and type mismatches in QR code and utility functions.
- Corrected OrderBy type mismatch pattern in systemic loaders.
- Improved type safety for BlobPart and ArrayBuffer handling.
- Down to 700 errors from ~731.

src/lib/elements/element_manage_hosted_file_li.svelte

@@ -36,8 +36,8 @@
         link_to_type,
         link_to_id,
         display_mode = 'default',
-        max_file_count = 49,
-        file_type = 'all',
+        max_file_count = $bindable(49),
+        file_type = $bindable('all'),
         slct_hosted_file_kv = $bindable({}),
         slct_hosted_file_id = $bindable(null),
         slct_hosted_file_obj = $bindable(null)

src/lib/elements/element_manage_hosted_file_li_all.svelte

@@ -38,8 +38,8 @@
         allow_basic = false,
         allow_moderator = false,
         display_mode = 'default',
-        max_file_count = 49,
-        file_type = 'all',
+        max_file_count = $bindable(49),
+        file_type = $bindable('all'),
         slct_hosted_file_kv = $bindable({}),
         slct_hosted_file_id = $bindable(null),
         slct_hosted_file_obj = $bindable(null)