Improved mainscreen call row layout

app/src/main/kotlin/com/tutpro/baresip/MainScreen.kt

@@ -1472,7 +1472,8 @@ private fun CallRow(
     Row( modifier = Modifier
         .fillMaxWidth(),
         verticalAlignment = Alignment.CenterVertically,
-        horizontalArrangement = Arrangement.Center
+        horizontalArrangement = if (isDialer || call?.showCancelButton?.value == true || call?.showAnswerRejectButtons?.value == true)
+            Arrangement.Center else Arrangement.SpaceBetween
     ) {
         if (isDialer) {
             if (dialerState.showCallButton.value)
@@ -1524,8 +1525,6 @@ private fun CallRow(
         }
         else {
             if (call!!.showCancelButton.value) {
-                if (!call.conferenceCall)
-                    Spacer(modifier = Modifier.weight(1f))
                 IconButton(
                     modifier = Modifier.size(48.dp),
                     enabled = !call.terminated.value,
@@ -1543,11 +1542,9 @@ private fun CallRow(
                         contentDescription = null,
                     )
                 }
-                Spacer(modifier = Modifier.width(12.dp))
             }
 
             if (call.showHangupButton.value) {
-
                 IconButton(
                     modifier = Modifier.size(48.dp),
                     enabled = !call.terminated.value,
@@ -1565,8 +1562,9 @@ private fun CallRow(
                         contentDescription = null,
                     )
                 }
+            }
 
-                if (!call.conferenceCall)
+            if (call.showHangupButton.value && !call.conferenceCall)
                 IconButton(    modifier = Modifier.size(48.dp),
                     onClick = {
                         if (call.callOnHold.value) {
@@ -1591,7 +1589,7 @@ private fun CallRow(
 
             var showTransferDialog by remember { mutableStateOf(false) }
 
-                if (!call.conferenceCall)
+            if (call.showHangupButton.value && !call.conferenceCall && !call.ua.account.isMobile)
                 IconButton(
                     modifier = Modifier.size(48.dp),
                     enabled = call.transferButtonEnabled.value,
@@ -1870,6 +1868,7 @@ private fun CallRow(
             val focusRequester = remember { FocusRequester() }
             val shouldRequestFocus by call.focusDtmf
             val interactionSource = remember { MutableInteractionSource() }
+            if (call.showHangupButton.value)
                 BasicTextField(
                     value = call.dtmfText.value,
                     onValueChange = { newText ->
@@ -1924,6 +1923,7 @@ private fun CallRow(
                         )
                     }
                 )
+            if (call.showHangupButton.value)
                 LaunchedEffect(shouldRequestFocus) {
                     if (shouldRequestFocus) {
                         focusRequester.requestFocus()
@@ -1931,6 +1931,7 @@ private fun CallRow(
                     }
                 }
 
+            if (call.showHangupButton.value && !call.ua.account.isMobile)
                 IconButton(
                     modifier = Modifier.size(48.dp),
                     onClick = {
@@ -1970,7 +1971,6 @@ private fun CallRow(
                         contentDescription = null,
                     )
                 }
-            }
 
             if (call.showAnswerRejectButtons.value) {