update changelog

Author: eug3nix

CHANGELOG.md

@@ -8,6 +8,7 @@
     - fixed unwanted change of last used database when when Databases tree node is clicked in DB Explorer #806
     - fixed Postgres DB connection close when Cancel Query is clicked in Query tab #802
     - fixed incorrect tab displayed in Settings modal when clicking Shortcuts icon on the Welcome screen #801
+    - fixed selected database not always changing when using Quick Search #814
 
   - Other Changes
     - migrate to appimagetool 1.9.1 for Linux builds