Fix alignment issue and content cropping

features/onboarding/impl/src/main/kotlin/io/element/android/features/onboarding/impl/OnBoardingScreen.kt

@@ -18,9 +18,10 @@ package io.element.android.features.onboarding.impl
 
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.ColumnScope
 import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
@@ -29,6 +30,7 @@ import androidx.compose.material.icons.filled.QrCode
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment.Companion.CenterHorizontally
+import androidx.compose.ui.BiasAlignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.res.painterResource
@@ -69,19 +71,21 @@ fun OnBoardingScreen(
             )
         }
     ) {
-        Column(modifier.fillMaxWidth()) {
-            Spacer(modifier = Modifier.weight(2f))
         OnBoardingHeader()
-            Spacer(modifier = Modifier.weight(3f))
-        }
     }
 }
 
 @Composable
-private fun ColumnScope.OnBoardingHeader() {
+private fun OnBoardingHeader(modifier: Modifier = Modifier) {
+    Box(
+        modifier = modifier.fillMaxSize(),
+        contentAlignment = BiasAlignment(
+            horizontalBias = 0f,
+            verticalBias = -0.2f
+        )
+    ) {
         Column(
             modifier = Modifier
-            .weight(3f)
                 .fillMaxWidth(),
             horizontalAlignment = CenterHorizontally,
         ) {
@@ -103,6 +107,7 @@ private fun ColumnScope.OnBoardingHeader() {
                 textAlign = TextAlign.Center
             )
         }
+    }
 }
 
 @Composable