courses: smoother view holders adapting (fixes #12176) (#12155)

Author: dogi

app/build.gradle

@@ -12,8 +12,8 @@ android {
         applicationId "org.ole.planet.myplanet"
         minSdk = 26
         targetSdk = 36
-        versionCode = 4962
-        versionName = "0.49.62"
+        versionCode = 4963
+        versionName = "0.49.63"
         ndkVersion = '26.3.11579264'
         vectorDrawables.useSupportLibrary = true
     }