fix(webapp): match environment when searching env variables #5256

Job	Run time
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	1m 53s
typecheck / typecheck	6m 17s
sdk-compat / Bun Runtime	2m 2s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	3m 47s
sdk-compat / Cloudflare Workers	2m 9s
sdk-compat / Deno Runtime	1m 57s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	4m 4s
units / packages / 🧪 Unit Tests: Packages (1, 1)	7m 46s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	1m 51s
sdk-compat / Node.js 22.12 (ubuntu-latest)	2m 1s
sdk-compat / Node.js 20.20 (ubuntu-latest)	1m 59s
units / internal / 🧪 Unit Tests: Internal (1, 8)	6m 32s
units / internal / 🧪 Unit Tests: Internal (4, 8)	6m 14s
units / internal / 🧪 Unit Tests: Internal (3, 8)	7m 43s
units / internal / 🧪 Unit Tests: Internal (2, 8)	7m 44s
units / internal / 🧪 Unit Tests: Internal (6, 8)	6m 0s
units / internal / 🧪 Unit Tests: Internal (5, 8)	6m 14s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	2m 32s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	5m 44s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	4m 1s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	2m 32s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	6m 19s
units / internal / 🧪 Unit Tests: Internal (8, 8)	2m 45s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 52s
units / internal / 🧪 Unit Tests: Internal (7, 8)	5m 44s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	3m 58s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	7m 43s
units / webapp / 📊 Merge Reports	1s
units / internal / 📊 Merge Reports	1s
units / packages / 📊 Merge Reports	1s
	2h 3m 26s

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