performance: added connections-tests and refactoring #2032

Job	Run time
find-verticals / Find all	27s
find-verticals / Check sln files	32s
ci (app: AccessManagement) / Build and Test	3m 14s
ci (app: AccessManagement) / Analyze	4m 7s
ci (app: Authorization) / Analyze	2m 14s
ci (app: Authorization) / Build and Test	1m 5s
ci (lib: Integration) / Build and Test	42s
ci (app: Register) / Build and Test	33s
ci (tool: Cli) / Build and Test	31s
ci (lib: Integration) / Analyze	1m 19s
ci (tool: Cli) / Analyze	1m 16s
ci (lib: Contracts) / Analyze	1m 3s
ci (lib: Host) / Build and Test	44s
ci (lib: Contracts) / Build and Test	33s
ci (lib: Host) / Analyze	1m 40s
ci (pkg: ABAC) / Build and Test	35s
ci (pkg: ABAC) / Analyze	1m 19s
ci (pkg: PEP) / Analyze	1m 53s
ci (pkg: PEP) / Build and Test	39s
ci (app: Register) / Analyze	-1s
	24m 25s

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