Added maybe_downcast & hardened TT Attrs and Types to include better support #1734

Job	Run time
pre-commit / pre-commit	34s
build-and-test / build-image	9s
macos-build / build (macos-latest, clang, clang++, Release, OFF)	2h 14m 16s
spdx / check-spdx-headers	2s
build-and-test / Build tt-mlir (ubuntu-latest, OFF, run)	35m 44s
build-and-test / Build tt-mlir (ubuntu-latest, ON, perf)	20m 9s
build-and-test / Build and test tt-explorer (n150, ON, perf)	14m 40s
build-and-test / run-ttrt-tests (n150, ON, perf)	9m 58s
build-and-test / run-tests (n150, OFF, run, --non-zero)	2m 53s
build-and-test / run-tests (n150, ON, perf)	5m 34s
build-and-test / run-tests (n300, OFF, run, --non-zero)	4m 56s
build-and-test / run-tests (n300, ON, perf)	11m 55s
	4h 0m 50s

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