search: add prefix for app search

.config/quickshell/ii/modules/common/functions/StringUtils.qml

@@ -257,4 +257,32 @@ Singleton {
         }
         return false;
     }
+
+    /**
+     * Removes the given prefix from the string if present.
+     * @param { string } str
+     * @param { string } prefix
+     * @returns { string }
+     */
+    function cleanPrefix(str, prefix) {
+        if (str.startsWith(prefix)) {
+            return str.slice(prefix.length);
+        }
+        return str;
+    }
+
+    /**
+     * Removes the first matching prefix from the string if present.
+     * @param { string } str
+     * @param { string[] } prefixes
+     * @returns { string }
+     */
+    function cleanOnePrefix(str, prefixes) {
+        for (let i = 0; i < prefixes.length; ++i) {
+            if (str.startsWith(prefixes[i])) {
+                return str.slice(prefixes[i].length);
+            }
+        }
+        return str;
+    }
 }