fix(nests): keep chat textfield visible above keyboard on NestFullScreen

Activity used the system default soft-input behavior (pan), so opening
the keyboard slid the whole screen up, partially hiding the composer
and putting the top of the screen out of reach. Set adjustResize on
NestActivity and add consumeWindowInsets + imePadding to the Scaffold
body so the column reflows above the IME and the textfield stays in
view.

amethyst/src/main/AndroidManifest.xml

@@ -226,6 +226,7 @@
             android:launchMode="singleTask"
             android:exported="false"
             android:resizeableActivity="true"
+            android:windowSoftInputMode="adjustResize"
             android:theme="@style/Theme.Amethyst" />
 
         <activity

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/nests/room/screen/NestFullScreen.kt

@@ -23,8 +23,10 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.nests.room.screen
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.consumeWindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.imePadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Badge
@@ -205,7 +207,9 @@ internal fun NestFullScreen(
             modifier =
                 Modifier
                     .fillMaxSize()
-                    .padding(padding),
+                    .padding(padding)
+                    .consumeWindowInsets(padding)
+                    .imePadding(),
         ) {
             if (summaryExpanded) {
                 RoomSummaryStrip(summary = event.summary())