fix(timer): Add check to avoid crashing

[P-R-O-C-H-Y]

Description of Change

This PR adds checks for each timer function to avoid crashing if timerBegin failed.

Tests scenarios

Locally

Related links

[github-actions]

	Messages
📖	🎉 Good Job! All checks are passing!

👋 Hello P-R-O-C-H-Y, we appreciate your contribution to this project!

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Generated by 🚫 dangerJS against dedd1dc

[github-actions]

Test Results

 56 files   -  61   56 suites   - 61   4m 49s ⏱️ - 1h 19m 44s
 21 tests  -   9   21 ✅  -   9  0 💤 ±0  0 ❌ ±0 
135 runs   - 118  135 ✅  - 118  0 💤 ±0  0 ❌ ±0 

Results for commit dedd1dc. ± Comparison against base commit 0fa4aa6.

This pull request removes 9 tests.

performance.coremark.test_coremark ‑ test_coremark
performance.fibonacci.test_fibonacci ‑ test_fibonacci
performance.psramspeed.test_psramspeed ‑ test_psramspeed
performance.ramspeed.test_ramspeed ‑ test_ramspeed
performance.superpi.test_superpi ‑ test_superpi
test_touch_errors
test_touch_interrtupt
test_touch_read
validation.periman.test_periman ‑ test_periman

♻️ This comment has been updated with latest results.