Fix hex dump lines not having highlighting when a python layer is used

Author: CouleeApps

python/function.py

@@ -3429,6 +3429,8 @@ def _to_core_struct(self) -> core.BNDisassemblyTextLine:
 		result.addr = self.address
 		if self.il_instruction is not None:
 			result.instrIndex = self.il_instruction.instr_index
+		else:
+			result.instrIndex = 0xffffffffffffffff
 		result.tokens = InstructionTextToken._get_core_struct(self.tokens)
 		result.count = len(self.tokens)
 		result.highlight = self.highlight._to_core_struct()

python/renderlayer.py

@@ -336,8 +336,7 @@ def apply_to_linear_view_object(
 			"HLIL SSA Function Body",
 			"Language Representation Function Body"
 		]:
-			self.apply_to_high_level_il_body(lines[0].function, lines)
-			return lines
+			return self.apply_to_high_level_il_body(lines[0].function, lines)
 
 		block_lines = []
 		final_lines = []
@@ -396,7 +395,7 @@ def process_misc():
 					process_disasm()
 					block_lines = new_block_lines
 				else:
-					self.apply_to_misc_linear_lines(obj, prev, next, block_lines)
+					block_lines = self.apply_to_misc_linear_lines(obj, prev, next, block_lines)
 				final_lines += block_lines
 				block_lines = []