desktop: onboarding improvements (#5294)

* consistent space to bottom on future of messaging

* consistent button suze on server operators

* updated setup database passphrase screen

* ability to cancel random passphrase

* reduce conditions padding to header

* show scrollbar in desktop

* EOLs

* EOL

* fix random passphrase param when deleting database and recreating new one

---------

Co-authored-by: Evgeny <evgeny@poberezkin.com>
Co-authored-by: Avently <7953703+avently@users.noreply.github.com>

apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/views/usersettings/networkAndServers/OperatorView.android.kt

@@ -0,0 +1,19 @@
+package chat.simplex.common.views.usersettings.networkAndServers
+
+import androidx.compose.foundation.ScrollState
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+actual fun ConditionsBox(modifier: Modifier, scrollState: ScrollState, content: @Composable() (BoxScope.() -> Unit)){
+  Box(
+    modifier = modifier
+      .verticalScroll(scrollState)
+      .padding(8.dp)
+  ) {
+    content()
+  }
+}