Lint changes (#7802)

- Fixes current lint issues
- Changes lint task to lintKotlin on PRs

app/src/main/java/eu/kanade/tachiyomi/source/LocalSource.kt

@@ -98,7 +98,9 @@ class LocalSource(
                     }
                 }
 
-                else -> { /* Do nothing */ }
+                else -> {
+                    /* Do nothing */
+                }
             }
         }