fix install/remove plugin bug + load new metadata when link to different source + UI Clean UP

Author: GoodDay360

snap/snapcraft.yaml

@@ -1,7 +1,7 @@
 name: hyperionbox
 base: core22
 version: '2.1.3'
-summary: An open-source anime and movie streaming desktop app. # 79 char long summary
+summary: An open-source anime and movie streaming app. # 79 char long summary
 description: |
   An open-source anime and movie streaming app that support watch progress and download for many sources.