fix(keyup): prevent modifier key combinations from triggering Enter callback

- Add `hasNoModifiers` helper to check for Ctrl/Shift/Alt/Meta keys
- Update Enter key handling in `handleKeyUp` to ignore modifier combinations
- Retain existing Escape key logic

Author: h2ls

src/BootstrapBlazor/Components/Input/BootstrapInput.razor.js

@@ -7,11 +7,13 @@ export function clear(id) {
     }
 }
 
+const hasNoModifiers = (e) => !e.ctrlKey && !e.shiftKey && !e.altKey && !e.metaKey;
+
 export function handleKeyUp(id, invoke, enter, enterCallbackMethod, esc, escCallbackMethod) {
     const el = document.getElementById(id)
     if (el) {
         EventHandler.on(el, 'keyup', e => {
-            if (enter && (e.key === 'Enter' || e.key === 'NumpadEnter')) {
+            if (enter && (e.key === 'Enter' || e.key === 'NumpadEnter') && hasNoModifiers(e)) {
                 invoke.invokeMethodAsync(enterCallbackMethod, el.value)
             }
             else if (esc && e.key === 'Escape') {