WM02C(nrf7002) scan example failed after a one attempt

Hi Team,

I'm encountering an issue when using scan and STA mode.

When I run the shell example along with my custom board, the scan works successfully the first time. However, subsequent attempts fail.

I also ran a bus test, which passed successfully.

Additionally, when I run another standalone STA example, I get the following error:
"RPU context not initialized"

Please find the logs for both scenarios attached.

00> [00:00:00.002,000] <inf> wifi_nrf_bus: SPIM spi@40003800: freq = 8 MHz
00> [00:00:00.002,000] <inf> wifi_nrf_bus: SPIM spi@40003800: latency = 0
00> *** Booting Zephyr OS build v4.2.0 ***
00> [00:00:00.303,000] <inf> net_config: Initializing network
00> [00:00:00.303,000] <inf> net_config: Waiting interface 1 (0x240012e8) to be up...
00> [00:00:00.303,000] <inf> net_config: IPv4 address: 192.168.1.99
00> [00:00:00.303,000] <inf> net_config: Running dhcpv4 client...
00> [00:00:00.303,000] <inf> sta: Starting custom_h743ig with CPU frequency: 400 MHz
00> [00:00:00.303,000] <inf> wifi_supplicant: wpa_supplicant initialized
00> [00:00:01.303,000] <inf> sta: Static IP address (overridable): 192.168.1.99/255.255.255.0 -> 192.168.1.1
00> [00:00:01.311,000] <inf> net_wifi_mgmt: Connection requested
00> [00:00:01.311,000] <inf> sta: Connection requested
00> [00:00:01.311,000] <inf> sta: ==================
00> [00:00:01.311,000] <inf> sta: State: SCANNIN
00> 
00> [00:00:04.070,000] <inf> sta: ==================
00> [00:00:04.070,000] <inf> sta: State: DISCONNECTED
00> [00:00:04.270,000] <err> wifi_nrf: nrf_wifi_wpa_supp_scan2: RPU context not initialized
00> [00:00:04.270,000] <err> wpa_supp: wpa_drv_zep_scan2: scan2 op failed
00> [00:00:04.370,000] <inf> sta: ==================
00> [00:00:04.370,000] <inf> sta: State: DISCONNECTED

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