Fix creation of dynamic property warning in DomainEntitySourcePathProcessor

Fix Deprecated function: Creation of dynamic property warning in DomainEntitySourcePathProcessor class.

added 2 commits

• 0b0b254c - 1 commit from branch project:8.x-1.x
• d7d68d28 - Merge branch '8.x-1.x' into 'fholub13-8.x-1.0-rc1-patch-88ae'

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approved this merge request

added 4 commits

• d7d68d28...9e3eb11b - 3 commits from branch project:8.x-1.x
• 8e35a818 - Merge remote-tracking branch 'origin/8.x-1.x' into fholub13-8.x-1.0-rc1-patch-88ae

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merged