Change the 'keyup' events handlers to 'input' because text content can be changed with the mouse#4100

rrrooommmaaa merged 2 commits intomasterFlowCrypt/flowcrypt-browser:masterfrom

issue-4076-change-keyup-handler-to-inputFlowCrypt/flowcrypt-browser:issue-4076-change-keyup-handler-to-inputCopy head branch name to clipboard