Update applications.json (#899)

Corrected Wireshark with correct title

Author: divyanshuchander

applications.json

@@ -6785,7 +6785,7 @@
                 "utilities"
             ],
             "repo_url": "https://github.com/wireshark/wireshark",
-            "title": "Nmap",
+            "title": "Wireshark",
             "icon_url": "",
             "screenshots": [],
             "official_site": "https://www.wireshark.org",