[MDAPI-83][C++] Implement IndexedTxModel #732

Job	Run time
win-vs2022-Release	9m 28s
win-vs2022-Debug	8m 47s
win-vs2022-RelWithDebInfo	9m 44s
macos-13-xcode-15-Release	9m 47s
macos-13-xcode-15-Debug	6m 48s
macos-13-xcode-15-RelWithDebInfo	9m 42s
ubuntu-24.04-clang-18-Release	6m 47s
ubuntu-24.04-clang-18-Debug	5m 55s
ubuntu-24.04-clang-18-RelWithDebInfo	7m 43s
ubuntu-24.04-gcc-14-Release	7m 41s
ubuntu-24.04-gcc-14-Debug	6m 53s
ubuntu-24.04-gcc-14-RelWithDebInfo	8m 45s
ubuntu-24.04-gcc-12-Release	8m 21s
ubuntu-24.04-gcc-12-Debug	7m 17s
ubuntu-24.04-gcc-12-RelWithDebInfo	9m 13s
ubuntu-22.04-gcc-11-Release	6m 47s
ubuntu-22.04-gcc-11-Debug	6m 57s
ubuntu-22.04-gcc-11-RelWithDebInfo	8m 23s
macos-14-xcode-15-Release	4m 36s
macos-14-xcode-15-Debug	4m 29s
macos-14-xcode-15-RelWithDebInfo	4m 48s
	2h 38m 51s

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