📝 Clarify file change handling and remove redundant file loading logic

code/websites/pokedex.online/src/views/GamemasterExplorer.vue

@@ -518,7 +518,7 @@ async function loadFile() {
 }
 
 function onFileChange() {
-  // Clear state
+  // Clear state when file selection changes
   searchQuery.value = '';
   searchResults.value = [];
   currentResultIndex.value = 0;
@@ -526,8 +526,8 @@ function onFileChange() {
   filterValue.value = '';
   selectedLines.value.clear();
   jsonPaths.value = [];
-
-  loadFile();
+  // File loading is handled by the watch() on selectedFile
+}
 }
 
 const onSearchInput = debounce(async () => {