[Owl] Fix image sizes. (#532)

Change-Id: Iff78976dfc274d16327d05289da2c65f2d5c6229

Author: nickbutcher

Owl/app/src/main/java/com/example/owl/ui/utils/NetworkImage.kt

@@ -20,6 +20,7 @@ import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
@@ -62,6 +63,7 @@ fun NetworkImage(
             painter = painter,
             contentDescription = contentDescription,
             contentScale = contentScale,
+            modifier = Modifier.fillMaxSize()
         )
 
         if (painter.loadState is ImageLoadState.Loading && placeholderColor != null) {