add sign transaction modal for incoming tx request

also remove `outgoing` property that was previously added

ui/app/AppLayouts/Chat/ChatColumn/MessageComponents/TransactionBubble.qml

@@ -196,7 +196,7 @@ Item {
             id: signAndSendComponent
 
             SendTransactionButton {
-                outgoing: root.outgoing
+                // outgoing: root.outgoing
             }
         }
 

ui/app/AppLayouts/Chat/ChatColumn/MessageComponents/TransactionComponents/AcceptTransaction.qml

@@ -1,4 +1,5 @@
 import QtQuick 2.3
+import "../../ChatComponents"
 import "../../../../../../shared"
 import "../../../../../../imports"
 
@@ -37,7 +38,7 @@ Item {
                     // TODO get address from a modal instead
                     chatsModel.acceptRequestAddressForTransaction(messageId, walletModel.getDefaultAccount())
                 } else if (root.state === Constants.transactionRequested) {
-                    console.log('Accept and send')
+                    signTransactionModal.open()
                 }
             }
         }
@@ -76,6 +77,26 @@ Item {
             }
         }
     }
+
+    SignTransactionModal {
+        id: signTransactionModal
+        onOpened: {
+          walletModel.getGasPricePredictions()
+        }
+        selectedAccount: {}
+        selectedRecipient: {
+            return {
+                address: commandParametersObject.address,
+                identicon: chatsModel.activeChannel.identicon,
+                name: chatsModel.activeChannel.name,
+                type: RecipientSelector.Type.Contact
+            }
+        }
+        selectedAsset: token
+        selectedAmount: tokenAmount
+        selectedFiatAmount: fiatValue
+        //outgoing: root.outgoing
+    }
 }
 
 /*##^##

ui/app/AppLayouts/Chat/ChatColumn/MessageComponents/TransactionComponents/SendTransactionButton.qml

@@ -7,7 +7,7 @@ Item {
     id: root
     width: parent.width
     height: childrenRect.height + Style.current.halfPadding
-    property bool outgoing: true
+    // property bool outgoing: true
 
     Separator {
         id: separator