Remove `_search` dependency on `plaintext` columns #27148

Job	Run time
Cosmos Devnet Tests (20)	7m 35s
EVM Devnet Tests (20)	8m 19s
Code Quality checks (20)	4m 58s
Code Quality Recommendations (20)	41s
Commonwealth Unit And Integration Tests (20)	8m 48s
Detect Broken TS expect errors (20)	1m 57s
Commonwealth Mature E2E Tests (20)	3m 20s
Commonwealth E2E Tests (20)	7m 21s
Commonwealth E2E Tests Serial (20)	3m 39s
Upload Test Coverage Report (20)	2s
	46m 40s

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