all: bring back panic(err.msg) -> panic(err) (#9022)

vlib/net/http/http_httpbin_test.v

@@ -34,7 +34,7 @@ fn http_fetch_mock(_methods []string, _config FetchConfig) ?[]Response {
 fn test_http_fetch_bare() {
 	$if !network ? { return }
 	responses := http_fetch_mock([], FetchConfig{}) or {
-		panic(err.msg)
+		panic(err)
 	}
 	for response in responses {
 		assert response.status_code == 200
@@ -46,11 +46,11 @@ fn test_http_fetch_with_data() {
 	responses := http_fetch_mock(['POST', 'PUT', 'PATCH', 'DELETE'], {
 		data: 'hello world'
 	}) or {
-		panic(err.msg)
+		panic(err)
 	}
 	for response in responses {
 		payload := json.decode(HttpbinResponseBody,response.text) or {
-			panic(err.msg)
+			panic(err)
 		}
 		assert payload.data == 'hello world'
 	}
@@ -64,11 +64,11 @@ fn test_http_fetch_with_params() {
 			'c': 'd'
 		}
 	}) or {
-		panic(err.msg)
+		panic(err)
 	}
 	for response in responses {
 		// payload := json.decode(HttpbinResponseBody,response.text) or {
-		// panic(err.msg)
+		// panic(err)
 		// }
 		assert response.status_code == 200
 		// TODO
@@ -84,11 +84,11 @@ fn test_http_fetch_with_headers() {
 			'Test-Header': 'hello world'
 		}
 	}) or {
-		panic(err.msg)
+		panic(err)
 	}
 	for response in responses {
 		// payload := json.decode(HttpbinResponseBody,response.text) or {
-		// panic(err.msg)
+		// panic(err)
 		// }
 		assert response.status_code == 200
 		// TODO

vlib/net/http/http_test.v

@@ -16,7 +16,7 @@ fn test_http_get_from_vlang_utc_now() {
 	for url in urls {
 		println('Test getting current time from $url by http.get')
 		res := http.get(url) or {
-			panic(err.msg)
+			panic(err)
 		}
 		assert 200 == res.status_code
 		assert res.text.len > 0
@@ -40,7 +40,7 @@ fn test_public_servers() {
 	for url in urls {
 		println('Testing http.get on public url: $url ')
 		res := http.get(url) or {
-			panic(err.msg)
+			panic(err)
 		}
 		assert 200 == res.status_code
 		assert res.text.len > 0
@@ -54,7 +54,7 @@ fn test_relative_redirects() {
 		return
 	} // tempfix periodic: httpbin relative redirects are broken
 	res := http.get('https://httpbin.org/relative-redirect/3?abc=xyz') or {
-		panic(err.msg)
+		panic(err)
 	}
 	assert 200 == res.status_code
 	assert res.text.len > 0