Fix incorrect plan changed report with truncated plans #780

Job	Run time
No changes	25s
No changes without comment	19s
Change terraform 13	27s
Plan single variable	25s
Change terraform 11	25s
Change terraform 15	28s
Change terraform 12	24s
Change without github comment	23s
Change terraform 15.4	24s
Change latest terraform	28s
Add comment without token	32s
Change terraform 14	26s
Error	36s
Error without comment	20s
Plan using deprecated var and sensitive variable	24s
Plan single sensitive variable	22s
Error with invalid paths	28s
Plan variables some which are sensitive	24s
Test plan text on Terraform 1.4	32s
Test on arm64	38s
Default path	25s
Change with shell init commands	21s
always-new	42s
Full colour plan for diff highlighting	50s
Plan JSON tfvars	25s
	11m 33s

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