Fix popup javascript (#16459)

Breaking out the code to a script tab seems to have interacted poorly with some code.
Put it in librenms.js for now to avoid issues.

html/js/librenms.js

@@ -728,3 +728,36 @@ function popUp(URL)
 {
     window.open(URL, '_blank', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=550,height=600');
 }
+
+// popup component javascript.  Hopefully temporary.
+document.addEventListener("alpine:init", () => {
+    Alpine.data("popup", () => ({
+        popupShow: false,
+        showTimeout: null,
+        hideTimeout: null,
+        ignoreNextShownEvent: false,
+        delay: 300,
+        show(timeout) {
+            clearTimeout(this.hideTimeout);
+            this.showTimeout = setTimeout(() => {
+                this.popupShow = true;
+                Popper.createPopper(this.$refs.targetRef, this.$refs.popupRef, {
+                    padding: 8
+                });
+
+                // close other popups, except this one
+                this.ignoreNextShownEvent = true;
+                this.$dispatch('librenms-popup-shown', this.$el);
+            }, timeout);
+        },
+        hide(timeout) {
+            if (this.ignoreNextShownEvent) {
+                this.ignoreNextShownEvent = false;
+                return;
+            }
+
+            clearTimeout(this.showTimeout);
+            this.hideTimeout = setTimeout(() => this.popupShow = false, timeout)
+        }
+    }));
+});