Print the LHS first in incompatible unit errors

Author: nex3

spec/core_functions/math/max.hrx

@@ -155,7 +155,7 @@ a {b: max($arg, 2s)}
 
 
 <===> error/incompatible_units/error
-Error: 2s and 1px have incompatible units.
+Error: 1px and 2s have incompatible units.
   ,
 2 | a {b: max($arg, 2s)}
   |       ^^^^^^^^^^^^^

spec/core_functions/math/min.hrx

@@ -154,7 +154,7 @@ $arg: 1px;
 a {b: min($arg, 2s)}
 
 <===> error/incompatible_units/error
-Error: 2s and 1px have incompatible units.
+Error: 1px and 2s have incompatible units.
   ,
 2 | a {b: min($arg, 2s)}
   |       ^^^^^^^^^^^^^

spec/core_functions/meta/load_css/error.hrx

@@ -531,7 +531,7 @@ Error: Expected expression.
 a {b: 1px + 1em}
 
 <===> from_other/runtime/error
-Error: 1em and 1px have incompatible units.
+Error: 1px and 1em have incompatible units.
   ,
 1 | a {b: 1px + 1em}
   |       ^^^^^^^^^

spec/directives/forward/error/with.hrx

@@ -127,7 +127,7 @@ Error: This variable is available from multiple global modules.
 $a: c !default;
 
 <===> invalid_expression/error/error
-Error: 1em and 1px have incompatible units.
+Error: 1px and 1em have incompatible units.
   ,
 1 | @forward "upstream" with ($a: 1px + 1em);
   |                               ^^^^^^^^^

spec/directives/use/error/with.hrx

@@ -104,7 +104,7 @@ Error: This variable is available from multiple global modules.
 $a: c !default;
 
 <===> invalid_expression/error/error
-Error: 1em and 1px have incompatible units.
+Error: 1px and 1em have incompatible units.
   ,
 1 | @use "other" with ($a: 1px + 1em);
   |                        ^^^^^^^^^

spec/libsass-closed-issues/issue_1577.hrx

@@ -4,7 +4,7 @@ $foo: 10%; // line 1
 $error: $foo + 20px; // line 3
 
 <===> error
-Error: 20px and 10% have incompatible units.
+Error: 10% and 20px have incompatible units.
   ,
 3 | $error: $foo + 20px; // line 3
   |         ^^^^^^^^^^^

spec/non_conformant/errors/invalid-operation/sub.hrx

@@ -3,7 +3,7 @@ test {
   err: 2px - 2px*2px;
 }
 <===> error
-Error: 4px*px and 2px have incompatible units.
+Error: 2px and 4px*px have incompatible units.
   ,
 2 |   err: 2px - 2px*2px;
   |        ^^^^^^^^^^^^^