Standardize Event DB/Types and fix critical UI type mismatches across Badges, Journals, and Locations modules

src/lib/elements/element_input_file.svelte

@@ -50,7 +50,7 @@
         console.log('** Element Mounted: ** Element Input File');
     });
 
-    async function process_file_list(file_list) {
+    async function process_file_list(file_list: FileList | null) {
         console.log('*** process_file_list() ***');
 
         file_list_status = 'processing';