[browser] Enable HotReload in Wasm.Build.Tests

[maraf]

Fixes #118442

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[maraf]

        Launching chrome ('/root/helix/work/correlation/chrome-linux/chrome') via playwright with args = --explicitly-allowed-ports=43729,--ignore-certificate-errors,--lang=en-US,--headless
        [error] Failed to load resource: the server responded with a status of 404 (Not Found)
        [error] Failed to load resource: the server responded with a status of 404 (Not Found)
        [error] Failed to load resource: the server responded with a status of 404 (Not Found)
        Waiting for page to load
        [error] Failed to load resource: the server responded with a status of 404 (Not Found)
        [error] MONO_WASM: onConfigLoaded() failed TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0
        [error] MONO_WASM: Failed to load config file undefined TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0 TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0
        Error: Failed to load config file undefined TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0 TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0
            at xe (http://127.0.0.1:43729/_framework/dotnet.c6hqxoju0b.js:4:21366)
            at async http://127.0.0.1:43729/_framework/dotnet.c6hqxoju0b.js:4:30582
            at async http://127.0.0.1:43729/_framework/dotnet.c6hqxoju0b.js:4:36738
            at async Object.create (http://127.0.0.1:43729/_framework/dotnet.c6hqxoju0b.js:4:36708)
            at async http://127.0.0.1:43729/_framework/blazor.webassembly.d97du072fb.js:1:42058
            at async http://127.0.0.1:43729/_framework/blazor.webassembly.d97du072fb.js:1:55844
            at async qt (http://127.0.0.1:43729/_framework/blazor.webassembly.d97du072fb.js:1:55580)
        [ERROR] PageError: Error: Failed to load config file undefined TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0 TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0
        [ERROR] PageError: Error: Failed to load config file undefined TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0 TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0
        [ERROR] PageError: Error: Failed to load config file undefined TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0 TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0
        [ERROR] PageError: Error: Failed to load config file undefined TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0 TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0
        [ERROR] PageError: Error: Failed to load config file undefined TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0 TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0
        [ERROR] PageError: Error: Failed to start platform. Reason: Error: Failed to load config file undefined TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0 TypeError: Failed to fetch dynamically imported module: http://127.0.0.1:43729/0
            at qt (http://127.0.0.1:43729/_framework/blazor.webassembly.d97du072fb.js:1:55619)
        Browser has been disconnected