fix(spiffs): Adjust log level during SPIFFS formatting

[me-no-dev]

Set log level to none during formatting and restore afterwards.

Closes: #11928

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Generated by 🚫 dangerJS against 244d760

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Test Results

 76 files   76 suites   16m 18s ⏱️
 38 tests  38 ✅ 0 💤 0 ❌
241 runs  241 ✅ 0 💤 0 ❌

Results for commit 244d760.

♻️ This comment has been updated with latest results.

[github-actions]

Memory usage test (comparing PR against master branch)

The table below shows the summary of memory usage change (decrease - increase) in bytes and percentage for each target.

Memory	FLASH [bytes]		FLASH [%]		RAM [bytes]		RAM [%]
Target	DEC	INC	DEC	INC	DEC	INC	DEC	INC
ESP32C5	0	⚠️ +38	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32P4	0	⚠️ +38	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32S3	0	⚠️ +24	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32S2	0	⚠️ +24	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32C3	0	⚠️ +38	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32C6	0	⚠️ +36	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32H2	0	⚠️ +38	0.00	⚠️ +0.01	0	0	0.00	0.00
ESP32	0	⚠️ +24	0.00	⚠️ +0.01	0	0	0.00	0.00

Click to expand the detailed deltas report [usage change in BYTES]

Target	ESP32C5		ESP32P4		ESP32S3		ESP32S2		ESP32C3		ESP32C6		ESP32H2		ESP32
Example	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM
libraries/LittleFS/examples/LITTLEFS_time	0	0	0	0	0	0	0	0	0	0	0	0	-	-	0	0
libraries/SPIFFS/examples/SPIFFS_Test	⚠️ +38	0	⚠️ +38	0	⚠️ +20	0	⚠️ +20	0	⚠️ +38	0	⚠️ +36	0	⚠️ +38	0	⚠️ +20	0
libraries/SPIFFS/examples/SPIFFS_time	⚠️ +36	0	⚠️ +36	0	⚠️ +24	0	⚠️ +24	0	⚠️ +36	0	⚠️ +36	0	-	-	⚠️ +24	0
libraries/WebServer/examples/FSBrowser	⚠️ +36	0	⚠️ +36	0	⚠️ +24	0	⚠️ +24	0	⚠️ +36	0	⚠️ +36	0	-	-	⚠️ +24	0