[Debugger] Add support for restart requests #8836

Job	Run time
Build Ballerina Lang	7m 42s
Build Ballerina Distribution	1h 10m 24s
Build Stdlib Level (1)	4m 41s
Build Stdlib Level (2)	14m 34s
Build Stdlib Level (3)	10m 21s
Build Stdlib Level (4)	16m 0s
Build Stdlib Level (5)	44m 39s
Build Stdlib Level (6)	26m 22s
Build Stdlib Level (7)	2h 0m 13s
Build Stdlib Level (8)	45m 31s
Build Stdlib Level (9)	4m 34s
	6h 5m 1s

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