Improving the Imgui layer abstraction (#413) #6

Job	Run time
clang-format (Tetragrama) / clang-format	10s
clang-format (ZEngine) / clang-format	11s
macOS / cmake-build (Debug, arm64) / cmake-build-macOS-arm64-Debug	7m 17s
macOS / cmake-build (Release, x64) / cmake-build-macOS-x64-Release	15m 14s
macOS / cmake-build (Release, arm64) / cmake-build-macOS-arm64-Release	8m 59s
macOS / cmake-build (Debug, x64) / cmake-build-macOS-x64-Debug	14m 44s
windows / cmake-build (Debug) / cmake-build-windows-Debug	11m 32s
windows / cmake-build (Release) / cmake-build-windows-Release	14m 11s
windows / test (Release) / test-windows-Release	29s
windows / test (Debug) / test-windows-Debug	20s
windows / deploy / deploy-windows-x64-Release	10s
macOS / test (Debug, x64) / test-macOS-x64-Debug	16s
macOS / test (Release, arm64) / test-macOS-arm64-Release	15s
macOS / test (Debug, arm64) / test-macOS-arm64-Debug	12s
macOS / test (Release, x64) / test-macOS-x64-Release	22s
macOS / deploy (arm64) / deploy-macOS-arm64-Release	9s
macOS / deploy (x64) / deploy-macOS-x64-Release	13s
	1h 14m 44s

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