Clef: USB hw wallet support (#17756)

* signer: implement USB interaction with hw wallets

* signer: fix failing testcases

cmd/clef/intapi_changelog.md

@@ -1,5 +1,21 @@
 ### Changelog for internal API (ui-api)
 
+### 2.1.0
+
+* Add `OnInputRequired(info UserInputRequest)` to internal API. This method is used when Clef needs user input, e.g. passwords.
+
+The following structures are used:
+```golang
+       UserInputRequest struct {
+               Prompt     string `json:"prompt"`
+               Title      string `json:"title"`
+               IsPassword bool   `json:"isPassword"`
+       }
+       UserInputResponse struct {
+               Text string `json:"text"`
+       }
+```
+
 ### 2.0.0
 
 * Modify how `call_info` on a transaction is conveyed. New format: