geekdroid-firebase: allow to validate QueryPagingSource boundary key
This is useful when ordering by @ServerTimestamp field. When the document
hasn't been sent to server it can't be used as a boundary key has the server
timestamp is null. This change allows client to make the check and avoid an
IllegalArgumentException.
#Sat May 06 19:25:31 AST 2023
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists