Add debounce file [SCI-8300] (#5419)

app/javascript/vue/shared/debounce.js

@@ -0,0 +1,12 @@
+export function debounce(fn, wait){
+  let timer;
+  return function(...args){
+    if(timer) {
+        clearTimeout(timer); // clear any pre-existing timer
+    }
+    const context = this; // get the current context
+    timer = setTimeout(()=>{
+        fn.apply(context, args); // call the function if time expires
+    }, wait);
+  }
+}