Fix book gui

This mod intent to fix MC-61489

Most of the fix come from mworzala's gist so credit to them for the fix, I just made it a mod. (They are not involved in the creation of it)

Book

Writing book

Lectern

Name		Name	Last commit message	Last commit date
Latest commit History 83 Commits
.github/workflows		.github/workflows
gradle/wrapper		gradle/wrapper
img		img
src/main		src/main
.gitignore		.gitignore
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
README.md		README.md
TEST.md		TEST.md
build.gradle		build.gradle
diff.jpg		diff.jpg
gradle.properties		gradle.properties
gradlew		gradlew
gradlew.bat		gradlew.bat
settings.gradle		settings.gradle

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