Implemented that if selected bank is not supported its name does not get set in edtxtBank and edtxtUserName does not get focused but all text in edtxtBank gets selected, so that it can be easily deleted

ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/dialogs/AddAccountDialog.kt

@@ -168,20 +168,26 @@ open class AddAccountDialog : DialogFragment() {
     }
 
     protected open fun bankSelected(bank: BankInfo) {
-        selectedBank = bank
+        val didSelectSupportedBank = bank.supportsFinTs3_0
+
+        selectedBank = if (didSelectSupportedBank) bank else null
 
         justDidSelectBank = true
 
-        edtxtBank.text = bank.bankCode + " " + bank.name
+        if (didSelectSupportedBank) {
+            edtxtBank.text = bank.bankCode + " " + bank.name
+        }
 
         justDidSelectBank = false
 
-        edtxtUserName.requestFocus()
-
         checkIfRequiredDataEnteredOnUiThread()
 
-        if (bank.supportsFinTs3_0 == false) {
+        if (didSelectSupportedBank) {
+            edtxtUserName.requestFocus()
+        }
+        else {
             showBankDoesNotSupportFinTs30ErrorMessage(bank)
+            edtxtBank.actualEditText.selectAll()
         }
     }