fix(wifi): Workaround bug in esp_wifi_get_protocol()

[me-no-dev]

This pull request includes changes to the WiFiGenericClass::mode method in the WiFiGeneric.cpp file. The changes involve updating the data type of the current_protocol variable and modifying the way its address is passed to the esp_wifi_get_protocol function. This is required, because esp_wifi_get_protocol sets more than one byte in the provided return mask.

Data type and casting updates:

• Changed the data type of current_protocol from uint8_t to uint32_t to accommodate a wider range of values.
• Updated the esp_wifi_get_protocol function calls to cast the address of current_protocol to uint8_t* to match the expected parameter type. [1] [2]

Fixes: #11218

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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
ESP32P4	💚 -12	0	0.00	0.00	0	0	0.00	0.00
ESP32S3	💚 -12	0	0.00	0.00	0	0	0.00	0.00
ESP32S2	💚 -12	0	0.00	0.00	0	0	0.00	0.00
ESP32C3	💚 -10	0	0.00	0.00	0	0	0.00	0.00
ESP32C6	💚 -10	0	0.00	0.00	0	0	0.00	0.00
ESP32	0	0	0.00	0.00	0	0	0.00	0.00

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

Target	ESP32P4		ESP32S3		ESP32S2		ESP32C3		ESP32C6		ESP32
Example	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM
libraries/WiFi/examples/FTM/FTM_Initiator	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/FTM/FTM_Responder	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/SimpleWiFiServer	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiAccessPoint	💚 -10	0	💚 -12	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiClient	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiClientBasic	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiClientConnect	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiClientEvents	💚 -10	0	💚 -12	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiClientStaticIP	💚 -12	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiExtender	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiIPv6	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiMulti	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiMultiAdvanced	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiScan	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiScanAsync	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiScanDualAntenna	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiScanTime	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiTelnetToSerial	💚 -10	0	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiUDPClient	💚 -10	0	0	0	💚 -12	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WPS	-	-	0	0	💚 -12	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiBlueToothSwitch	-	-	0	0	-	-	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiClientEnterprise	-	-	0	0	0	0	💚 -10	0	💚 -10	0	0	0
libraries/WiFi/examples/WiFiSmartConfig	-	-	0	0	0	0	💚 -10	0	💚 -10	0	0	0

[github-actions]

Test Results

 76 files   76 suites   12m 40s ⏱️
 38 tests  38 ✅ 0 💤 0 ❌
241 runs  241 ✅ 0 💤 0 ❌

Results for commit e37fbb3.

♻️ This comment has been updated with latest results.