remove trans from bolt toolbar
use Trans::trans() instead of app[translator]-trans()
add() flash bags instead of overwriting with set()
Add error message only once to flashbag
fallback replace for trans()
add use Bolt\Translation\Translator as Trans;
twig macro translation use __() instead of app[translator]
confirm extension delete/removal/uninstall
Merge pull request #2183 from GDmac/translation-flashbags

Better Translation error and exception handling (flashbags)
Merge pull request #2185 from GDmac/extensions

confirm extension delete/removal/uninstall #2184