### Description

The parsing of params in parameterized ES|QL queries appears to be inconsistent with the parsing of non-parameterized ES|QL queries. Some examples on current main:

- ```
  {"query": "row a = 1 | eval x = now() + ?", "params": [{"type":"time_duration", "value":"5 hour"}]}
  ```
  results in the following exception:
  ```
  "type":"parsing_exception","reason":"line 1:23: Cannot cast value [5 hour] of type [KEYWORD] to parameter type [TIME_DURATION]"}],"type":"parsing_exception","reason":"line 1:23: Cannot cast value [5 hour] of type [KEYWORD] to parameter type [TIME_DURATION]"
  ```
- ```
  {"query": "row a = 1 | eval x = now() + ?", "params": ["1 week"]}
  ```
  results in
  ```
  "type":"verification_exception","reason":"Found 1 problem\nline 1:22: [+] has arguments with incompatible types [DATETIME] and [KEYWORD]"
  ```
- ```
  "query": "row a = 1 | eval x = now() + ? week", "params": [1]
  ```
  results in
  ```
  "type":"parsing_exception","reason":"line 1:32: extraneous input 'week' expecting <EOF>"}],"type":"parsing_exception","reason":"line 1:32: extraneous input 'week' expecting <EOF>"
  ```

All the queries work fine if the `?` is manually substituted with the given parameter.

The first two indicate that the parsing of query parameters is not consistent with our normal parsing, type resolution and verification pipeline.

According to @astefan , `version` is affected in a similar way.

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/parser/StatementParserTests.java
PROCESSING_CMD_INPUT,
                new Literal(EMPTY, "countries", KEYWORD),
                new UnresolvedAttribute(EMPTY, "country_code"),
                null,
                List.of()
            ),
            processingCommand("enrich countries ON country_code")
        );
        expectError("from a | enrich countries on foo* ", "Using wildcards (*) in ENRICH WITH projections is not allowed [foo*]");
        expectError("from a | enrich countries on foo with bar*", "Using wildcards (*) in ENRICH WITH projections is not allowed [bar*]");
        expectError(
            "from a | enrich countries on foo with x = bar* ",
            "Using wildcards (*) in ENRICH WITH projections is not allowed [bar*]"
        );
        expectError(
            "from a | enrich countries on foo with x* = bar ",
            "Using wildcards (*) in ENRICH WITH projections is not allowed [x*]"
        );
    }
    public void testMvExpand() {
        LogicalPlan cmd = processingCommand("mv_expand a");
        assertEquals(MvExpand.class, cmd.getClass());
        MvExpand expand = (MvExpand) cmd;
        assertThat(expand.target(), equalTo(attribute("a")));
    }
    public void testUsageOfProject() {
        processingCommand("project a");
        assertWarnings("PROJECT command is no longer supported, please use KEEP instead");
    }
    public void testInputParams() {