[TASK] Clear search field in Install Tool with ESC

As the search in the Install Tool > All configuration can be
triggered by using CTRL + f, it should also listen on the
ESC key to clear the search again.

Resolves: #79567
Releases: master, 7.6
Change-Id: I9a304bb455153429f99354a4ef684326b1baa612
Reviewed-on: https://review.typo3.org/51484


Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Marco Huber <mail@marco-huber.de>
Tested-by: Marco Huber <mail@marco-huber.de>
Reviewed-by: Philipp Gampe <philipp.gampe@typo3.org>
Tested-by: Philipp Gampe <philipp.gampe@typo3.org>

typo3/sysext/install/Resources/Public/JavaScript/Install.js

@@ -732,6 +732,9 @@ $(function() {
 						$configSearch.focus();
 						break;
 				}
+			} else if (event.keyCode === 27) {
+				event.preventDefault();
+				$configSearch.val('').focus();
 			}
 		});
 	}