FIX: Remove optional context in parser

The context was optional because I thought that paring an RC formula
did not need context.

You at least need the sheet in which you are parsing
For instance toknow if a defined name is local

base/src/expressions/parser/tests/test_issue_155.rs

@@ -17,7 +17,7 @@ fn issue_155_parser() {
         row: 2,
         column: 2,
     };
-    let t = parser.parse("A$1:A2", &Some(cell_reference.clone()));
+    let t = parser.parse("A$1:A2", &cell_reference);
     assert_eq!(to_string(&t, &cell_reference), "A$1:A2");
 }
 
@@ -32,7 +32,7 @@ fn issue_155_parser_case_2() {
         row: 20,
         column: 20,
     };
-    let t = parser.parse("C$1:D2", &Some(cell_reference.clone()));
+    let t = parser.parse("C$1:D2", &cell_reference);
     assert_eq!(to_string(&t, &cell_reference), "C$1:D2");
 }
 
@@ -48,7 +48,7 @@ fn issue_155_parser_only_row() {
         column: 20,
     };
     // This is tricky, I am not sure what to do in these cases
-    let t = parser.parse("A$2:B1", &Some(cell_reference.clone()));
+    let t = parser.parse("A$2:B1", &cell_reference);
     assert_eq!(to_string(&t, &cell_reference), "A1:B$2");
 }
 
@@ -64,6 +64,6 @@ fn issue_155_parser_only_column() {
         column: 20,
     };
     // This is tricky, I am not sure what to do in these cases
-    let t = parser.parse("D1:$A3", &Some(cell_reference.clone()));
+    let t = parser.parse("D1:$A3", &cell_reference);
     assert_eq!(to_string(&t, &cell_reference), "$A1:D3");
 }