Fix edge-to-edge layout issues (#367)

* Remove redundant setDecorFitsSystemWindows call

* Fix edge-to-edge layout issues

app/src/main/java/com/bitchat/android/onboarding/BatteryOptimizationScreen.kt

@@ -12,7 +12,6 @@ import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.rotate
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.text.font.FontWeight
@@ -24,10 +23,9 @@ import com.bitchat.android.R
  * Screen shown when checking battery optimization status or requesting battery optimization disable
  */
 
-
-
 @Composable
 fun BatteryOptimizationScreen(
+    modifier: Modifier,
     status: BatteryOptimizationStatus,
     onDisableBatteryOptimization: () -> Unit,
     onRetry: () -> Unit,
@@ -37,9 +35,7 @@ fun BatteryOptimizationScreen(
     val colorScheme = MaterialTheme.colorScheme
 
     Box(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(32.dp),
+        modifier = modifier.padding(32.dp),
         contentAlignment = Alignment.Center
     ) {
         when (status) {

app/src/main/java/com/bitchat/android/onboarding/BluetoothCheckScreen.kt

@@ -3,7 +3,6 @@ package com.bitchat.android.onboarding
 import androidx.compose.animation.core.*
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.*
 import androidx.compose.material.icons.outlined.*
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
@@ -21,6 +20,7 @@ import androidx.compose.ui.unit.dp
  */
 @Composable
 fun BluetoothCheckScreen(
+    modifier: Modifier,
     status: BluetoothStatus,
     onEnableBluetooth: () -> Unit,
     onRetry: () -> Unit,
@@ -29,9 +29,7 @@ fun BluetoothCheckScreen(
     val colorScheme = MaterialTheme.colorScheme
 
     Box(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(32.dp),
+        modifier = modifier.padding(32.dp),
         contentAlignment = Alignment.Center
     ) {
         when (status) {

app/src/main/java/com/bitchat/android/onboarding/InitializingScreen.kt

@@ -17,7 +17,7 @@ import androidx.compose.ui.unit.dp
  * Loading screen shown during app initialization after permissions are granted
  */
 @Composable
-fun InitializingScreen() {
+fun InitializingScreen(modifier: Modifier) {
     val colorScheme = MaterialTheme.colorScheme
     
     // Animated rotation for the loading indicator
@@ -50,9 +50,7 @@ fun InitializingScreen() {
     }
 
     Box(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(32.dp),
+        modifier = modifier.padding(32.dp),
         contentAlignment = Alignment.Center
     ) {
         Column(
@@ -152,6 +150,7 @@ fun InitializingScreen() {
  */
 @Composable
 fun InitializationErrorScreen(
+    modifier: Modifier,
     errorMessage: String,
     onRetry: () -> Unit,
     onOpenSettings: () -> Unit
@@ -159,9 +158,7 @@ fun InitializationErrorScreen(
     val colorScheme = MaterialTheme.colorScheme
 
     Box(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(32.dp),
+        modifier = modifier.padding(32.dp),
         contentAlignment = Alignment.Center
     ) {
         Column(

app/src/main/java/com/bitchat/android/onboarding/LocationCheckScreen.kt

@@ -21,6 +21,7 @@ import androidx.compose.ui.unit.dp
  */
 @Composable
 fun LocationCheckScreen(
+    modifier: Modifier,
     status: LocationStatus,
     onEnableLocation: () -> Unit,
     onRetry: () -> Unit,
@@ -29,9 +30,7 @@ fun LocationCheckScreen(
     val colorScheme = MaterialTheme.colorScheme
 
     Box(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(32.dp),
+        modifier = modifier.padding(32.dp),
         contentAlignment = Alignment.Center
     ) {
         when (status) {

app/src/main/java/com/bitchat/android/onboarding/PermissionExplanationScreen.kt

@@ -20,6 +20,7 @@ import androidx.compose.ui.unit.sp
  */
 @Composable
 fun PermissionExplanationScreen(
+    modifier: Modifier,
     permissionCategories: List<PermissionCategory>,
     onContinue: () -> Unit
 ) {
@@ -27,7 +28,7 @@ fun PermissionExplanationScreen(
     val scrollState = rememberScrollState()
 
     Box(
-        modifier = Modifier.fillMaxSize()
+        modifier = modifier
     ) {
         // Scrollable content
         Column(