Fix copy UTF8 tx input action

CHANGELOG.md

@@ -5,6 +5,7 @@
 - [#2834](https://github.com/poanetwork/blockscout/pull/2834) - always redirect to checksummed hash
 
 ### Fixes
+- [#3007](https://github.com/poanetwork/blockscout/pull/3007) - Fix copy UTF8 tx input action
 - [#2996](https://github.com/poanetwork/blockscout/pull/2996) - Fix awesomplete lib loading in Firefox
 - [#2993](https://github.com/poanetwork/blockscout/pull/2993), [#2999](https://github.com/poanetwork/blockscout/pull/2999) - Fix path definition for contract verification endpoint
 - [#2990](https://github.com/poanetwork/blockscout/pull/2990) - Fix import of Parity spec file

apps/block_scout_web/lib/block_scout_web/templates/transaction/overview.html.eex

@@ -141,7 +141,7 @@
                   <span
                     aria-label="Copy Value"
                     class="btn-copy-icon tx-utf8-input transaction-input"
-                    data-clipboard-text="<%= @transaction.input %>"
+                    data-clipboard-text="<%= @transaction.input.bytes %>"
                     data-placement="top"
                     data-toggle="tooltip"
                     title='<%= gettext("Copy Txn Input") %>'