Fixing random capitalization

"Manage Assets" to "Manage assets"
"Enter Seed phrase" to "Enter seed phrase"

Signed-off-by: Andrey Shovkoplyas <motor4ik@gmail.com>

translations/en.json

@@ -418,7 +418,7 @@
 	"enter-pin": "Enter 6-digit passcode",
 	"enter-puk-code": "Enter PUK code",
 	"enter-puk-code-description": "6-digit passcode has been blocked.\n Please enter PUK code to unblock passcode.",
-	"enter-seed-phrase": "Enter Seed phrase",
+	"enter-seed-phrase": "Enter seed phrase",
 	"enter-url": "Enter URL",
 	"enter-word": "Enter word",
 	"enter-your-code": "Enter your 6-digit passcode",
@@ -1053,7 +1053,7 @@
 	"wallet-invalid-address": "Invalid address: \n {{data}}",
 	"wallet-invalid-address-checksum": "Error in address: \n {{data}}",
 	"wallet-invalid-chain-id": "Network does not match: \n {{data}} but current chain is {{chain}}",
-	"wallet-manage-assets": "Manage Assets",
+	"wallet-manage-assets": "Manage assets",
 	"wallet-offline": "Wallet offline",
 	"wallet-request": "Request",
 	"wallet-send": "Send",