Fixed the infamous `%E` scope bug #5049

Job	Run time
rocq-elpi	54s
rocq-core	57s
coq	57s
coq-elpi	56s
stdlib	58s
hierarchy-builder	52s
mathcomp-finmap	58s
mathcomp-bigenough	50s
mathcomp	1m 0s
mathcomp-analysis-single	17m 38s
mathcomp-classical	3m 11s
mathcomp-reals	2m 11s
mathcomp-analysis	15m 30s
mathcomp-experimental-reals	1m 52s
mathcomp-reals-stdlib	1m 36s
mathcomp-analysis-stdlib	17m 59s
	1h 8m 19s

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