multiple multi-diagram project fixes, shapes naming unification #487

Job	Run time
plugins / Build Mac Intel	2m 29s
plugins / Build Linux	2m 47s
plugins / Build Mac M1	2m 10s
plugins / Build Windows	2m 50s
plugins / Check Linux zip is created	7s
plugins / Check Windows zip is created	5s
plugins / Check Mac M1 zip is created	8s
plugins / Check Mac Intel zip is created	2s
plugins / Save dl stats of previous build	11s
plugins / Re-create release	5s
plugins / Upload Windows zip	10s
plugins / Upload Mac M1 zip	9s
plugins / Upload Linux zip	7s
plugins / Upload Mac Intel zip	5s
plugins / Find dependent repositories	3s
plugins / Build dependent (OpenPonk/plugins, master, true)	8s
	11m 36s

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