Apply querySchema to optional nested case class properties

[mosyp]

Fixes #727

Problem

• propertyAliasParser was not able to parse ..map(_.x) -> "y" tree

Solution

• make propertyAliasParser to parse tree with map
• tests for schemaMeta and querySchema

Checklist

• Unit test all changes
• Update README.md if applicable
• Add [WIP] to the pull request title if it's work in progress
• Squash commits that aren't meaningful changes
• Run sbt scalariformFormat test:scalariformFormat to make sure that the source files are formatted

@getquill/maintainers