test: Set orientation portrait for UI tests

[philipphofmann]

Some failing benchmark tests in SauceLabs show the devices in landscape mode. TheSentrySDKPerformanceBenchmarkTests now use portrait mode.

#skip-changelog

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1220.69 ms	1228.68 ms	7.99 ms
Size	21.58 KiB	424.30 KiB	402.71 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
11b2ffa	1204.86 ms	1218.16 ms	13.31 ms
8c50edb	1212.98 ms	1233.72 ms	20.74 ms
e778bd2	1224.66 ms	1252.16 ms	27.50 ms
4d3df92	1235.18 ms	1252.29 ms	17.10 ms
556c407	1256.56 ms	1274.60 ms	18.04 ms
0d32275	1215.31 ms	1240.19 ms	24.88 ms
af1f4dd	1207.33 ms	1230.04 ms	22.71 ms
034be1c	1222.67 ms	1236.22 ms	13.55 ms
0559a8f	1212.37 ms	1232.12 ms	19.76 ms
881a955	1222.16 ms	1237.22 ms	15.06 ms

App size

Revision	Plain	With Sentry	Diff
11b2ffa	22.85 KiB	412.67 KiB	389.82 KiB
8c50edb	20.76 KiB	432.31 KiB	411.55 KiB
e778bd2	20.76 KiB	426.15 KiB	405.39 KiB
4d3df92	22.85 KiB	413.44 KiB	390.59 KiB
556c407	22.85 KiB	413.98 KiB	391.13 KiB
0d32275	22.84 KiB	403.14 KiB	380.29 KiB
af1f4dd	22.85 KiB	414.71 KiB	391.86 KiB
034be1c	20.76 KiB	436.66 KiB	415.90 KiB
0559a8f	21.58 KiB	419.81 KiB	398.22 KiB
881a955	22.85 KiB	407.63 KiB	384.78 KiB

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (eff9311) 89.262% compared to head (89c3f4d) 89.328%.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #3656       +/-   ##
=============================================
+ Coverage   89.262%   89.328%   +0.065%     
=============================================
  Files          534       534               
  Lines        58972     58978        +6     
  Branches     21161     21166        +5     
=============================================
+ Hits         52640     52684       +44     
+ Misses        5295      5265       -30     
+ Partials      1037      1029        -8     

see 12 files with indirect coverage changes

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